Friday

October 28, 2016
Number of results: 69,950

**statistics**

Mi Lang Motors has in stock three cars of the same make and model. The president would like to compare the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline. For each trial, a gallon of gasoline was added to an empty ...

*June 17, 2009 by lazar*

**math 116 Help Please**

1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: C(g) = 3.5 (g) a) Find C(2) (2 pts.) b) Find C(5) (2 pts.) 2. Suppose that the linear equation y = 0.3x + 0....

*September 8, 2010 by Sydney*

**Physics**

Because gasoline is less dense than water, drums containing gasoline will float in water. Suppose a 220- L steel drum is completely full of gasoline. What total volume of steel can be used in making the drum if the gasoline-filled drum is to float in fresh water?

*October 28, 2010 by Hee*

**math**

When 6 gallons of gasoline are put into a car's tank the indicator goes from 1/4 of a tank to 5/8. What is the total capacity of the gas tank?

*August 28, 2012 by Myra*

**basic math**

The tank for a car holds 12 gallons. The gasoline gauge shows the tank is 14 full. How much gas is still in the tank?

*July 23, 2015 by Anonymous*

**chemistry**

A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this statement, calculate how...

*September 18, 2014 by anon*

**Physics**

A 500 kg car has an engine that uses only 40% of the energy from the gasoline for motion. If there is 15,000J of potential energy stored in the gasoline, how fast an the car go on the gasoline? I have no idea how to set this up. Any help?!

*November 15, 2007 by Elizabeth*

**Physics**

A 500 kg car has an engine that uses only 40% of the energy from the gasoline for motion. If there is 15,000J of potential energy stored in the gasoline, how fast an the car go on the gasoline? I have no idea how to set this up. Any help?!

*November 15, 2007 by Elizabeth*

**math**

A student uses approximately 40 to 45 gallons of gasoline per month. The cost of gasoline varies between $2.96 and $3.61 per gallon. Which of the following is a reasonable estimate of the student's weekly gasoline expense? A. $15 B.$30 c. $45 D. $50

*July 13, 2014 by Roberta*

**Chemistry**

What is the density of a gasoline sample that has a volume of 13.3 mL abd a mass of 8.86 grams?

*February 6, 2012 by Lisa*

**Math**

Larry mows the same-sized lawns in his neighborhood each weekend during the summer. Part A Each time Larry mows a lawn he uses 1/6 of a gallon of gasoline. If he has 2/3 of a gallon of gasoline, how many lawns can he mow before he needs to buy more gasoline? Show your work. ...

*March 16, 2015 by Anonymous*

**math**

An employee at a marketing firm A student uses approximately 40 to 45 gallons of gasoline per month. The cost of gasoline varies between $2.96 and $3.61 per gallon. Which of the following is a reasonable estimate of the student's weekly gasoline expense? A. $15 B.$30 c. $45 D...

*July 13, 2014 by dulce*

**Math**

Daniel Filled the gas tank in his car with 14.6 gallons of gas. He then drove 284.7 miles before needing to fill up his tank with gas again. How many miles did the car get to a gallon of gasoline? (I'm just wondering how To set up this problem)

*September 20, 2012 by Ellisyn Noelle*

**chemistry**

A small storage tank for liquefied petroleum gas (LPG) appears to be spherical and have a diameter of about 1 ft.Suppose that some common volumes for LPG tanks are 1 gal, 2 gal,5 gal, and 10 gal. Which is the most probable voume of this particular tank?

*May 25, 2009 by Zandria*

**Microeconomics**

I have narrowed the answer to these to letter. An excise tax of .50 per gallon is levied on gasoline. Which of the following is most likely to occur? C. Consumers of gasoline will buy a smaller quanity and pay a higher price. D. suppliers of gasoline will increase their ...

*May 26, 2009 by Susan*

**Math**

Brent received two bills with his monthly gasoline statement. One bill for $92.30 showed he had bought 66L of gasoline and two liters of oil, while the other bill showed he had bought 75L of gasoline and one liter of oil for $100.75. If the price of gasoline and oil remained ...

*May 27, 2012 by Henry P*

**math 118**

the gasoline gauge on a van read 1/4 full when 10 gallons were added to the tank, the gauge read 2/3 full how many more gallons are needed to fill the tank?

*June 10, 2013 by Anonymous*

**Chemistry**

Gasoline, which can be represented by the formula octane, bulk density is 704 g / l. To estimate the variation in enthalpy when burning 28.5 liters gasoline, based on the binding energies: 0 = 0 (117 kcal); C = 0 (173 kcal); 0 h (111 kcal); C-C (83 kcal); C-H (99 kcal).

*February 19, 2016 by Anonymous*

**Chemistry**

Gasoline, which can be represented by the formula octane, bulk density is 704 g/l. To estimate the variation in enthalpy when burning 28.5 liters gasoline, based on the binding energies: 0 = 0 (117 kcal); C = 0 (173 kcal); 0 h (111 kcal); C-C (83 kcal); C-H (99 kcal)

*February 20, 2016 by Anonymous*

**Chemistry**

Gasoline, which can be represented by the formula octane, bulk density is 704 g/l. To estimate the variation in enthalpy when burning 28.5 liters gasoline, based on the binding energies: 0 = 0 (117 kcal); C = 0 (173 kcal); 0 h (111 kcal); C-C (83 kcal); C-H (99 kcal)

*February 21, 2016 by Nayara*

**algebra**

Kevin decides to mix grades of gasoline in his truck. He puts in 5 gallons of regular and 10 gallons of premium for a total cost of $61.30. If premium gasoline costs $0.22 more per gallon than regular, what was the price of each grade of gasoline?

*October 18, 2016 by larry*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline? Please show the steps, thanks.

*July 19, 2013 by Eric*

**math**

toilet .05 min to fill 1.5 gal to fill w mach 5.3 min 1.7 gal tub 6.3 min 20 gal sink 1.4 min 5.0 gal which has the fastest fill rate

*July 9, 2015 by bertha*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?

*July 18, 2013 by Alice*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?

*July 18, 2013 by Alice*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density(kg/m^3)of the full gas can, taking into account the volume occupied by steel as well as by gasoline?

*July 18, 2013 by Alice*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?

*July 18, 2013 by Amada*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?

*July 18, 2013 by Charlie*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel as well as by gasoline?

*July 18, 2013 by Alice*

**physics**

A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density(kg/m^2))of the full gas can, taking into account the volume occupied by steel as well as by gasoline?

*July 22, 2013 by Eric*

**Math**

a gasoline pump delivers 4 2/5 gallons of gas per minute. How many minutes will it take to fill a gas tank that holds 16 1/2 gallons?

*December 11, 2008 by Andy*

**chemistry**

In Europe, gasoline efficiency is measured in . If your car's gas mileage is 20.0 km/l, how many liters of gasoline would you need to buy to complete a 142km trip in Europe?

*December 9, 2009 by melissa*

**Chemistry Last**

Last question: An average person expends ~100 kj to walk 1km. How far will the average car travel by the time it expends the same amount of energy (i.e. 100 kJ) as a person who walked 1 km? Fuel consumption of average car= 8 km L^(-1) Heat of combustion of gasoline= 50 kJ g^(-...

*August 29, 2010 by Amy~*

**Chemistry**

Dear Sir DrBob22 Thank you for your response we have an oil well. the well column has been completed (filled up) with completion fluid of gasoline. we want to stimulate the well by 28% HCL. if 28% HCL is to be injected into the the well column, whether a chemical reaction will...

*April 28, 2014 by Ramtin*

**physics**

A 3.00-liter aluminum cylinder at 5.00°C is filled to the brim with gasoline at the same temperature. If the aluminum and gasoline are warmed to 52.0°C, how much gasoline spills out? [Hint: Be sure to account for the expansion of the container. Also, ignore the possibility of ...

*June 13, 2011 by Kristen*

**Physics**

A 3.00-liter aluminum cylinder at 5.00°C is filled to the brim with gasoline at the same temperature. If the aluminum and gasoline are warmed to 52.0°C, how much gasoline spills out? [Hint: Be sure to account for the expansion of the container. Also, ignore the possibility of ...

*June 15, 2011 by Justin*

**math**

Which car gives the better gasoline mileage in making the same trip: the car that goes 340 miles on 10 gallon of gasoline or the car that goes 500 miles on 15 gallons of gasoline?

*July 15, 2009 by Nadia23*

**math**

Which car gives the better gasoline mileage in making the same trip: the car that goes 340 miles on 10 gallon of gasoline or the car that goes 500 miles on 15 gallons of gasoline?

*July 15, 2009 by Jessie*

**math**

Owners of SUVs need to know the miles per gallon every month. Given the amount of money spent to fill the gasoline tank, the number of miles driven since the last time the tank was filled, and the price per gallon, develop a computational model that computes the miles per gallon.

*January 24, 2012 by Jamie*

**math**

Confused! So here is the question: Inflation is currently causing the cost of items to increase by about 2.5% per year. In 2009 a litre of gasoline costs approximately $0.90. What will it cost to fill a 60 litre gas tank 10 years from now. Round your answer to the nearest ...

*April 7, 2013 by Daniel*

**college algebra**

A paint-mixing machine has 2 inlet pipes. One takes 1 hour less than the other to fill the tank. Together they fill the tank in 3 hours. How long would it take each of them alone to fill the tank? Thank you!!!

*October 15, 2008 by jenny*

**math**

A saleman operates a car which averged 15 miles to a gallon of gasoline.By installing a new carburetor the car improves its mileage by 1/5. How much will he save on gasoline during a year in which he covers 5400 miles, if the average cost of gasoline is 35 cents per gallon? a...

*April 13, 2014 by thomas*

**chemistry**

1. A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 500 gallons of gasoline every year, producing about 5 tons of carbon dioxide.\" To determine the truth of this statement, calculate ...

*November 14, 2013 by Anonymous*

**chemistry!!!!!!!!!**

at 20°C the concentration of O2 in the air is 8.65 x10-3 mol/L. what us the minimum volume of air in litres that are required to completely combust on e litre of gasoline at 20°C? Assume the gasoline is octane which has a density of .703 g/mol at this temperature. The balance ...

*October 19, 2015 by alyssa *

**7th grade math**

Can you check me answer? Mrs. Acosta's car can travel an average of 24miles on each gallon of gasoline. Write and solve an equaltion to find how many gallons of gasoline she will need for a trip of 348 miles. Ans: 348 = 24g 348/24 = g 14.5 = g. She will need 14.5 gallons of ...

*October 6, 2014 by Alexis*

**Chemistry**

What is the mass of 14 liters of gasoline? Assume that the density of gasloine is .680 grams per cubic centimeter. Provide answer in kilograms.

*November 16, 2011 by Cat*

**Science**

Water and gasoline are both clear liquids at room temperature. Describe one physical property and one chemical property that might be used to distinguish between them. Plz help physical:smell chemical: pH value What about density? The density of water is 1.00 g/cc and the ...

*September 13, 2006 by Pam*

**college chemistry**

How many megajoules are released when 9.0 gal of gasoline burns. how do I start to do this problem, and what are the steps to get there. thank you

*February 1, 2014 by Linda*

**Physics **

Imagine you've finished this academic year and gone home to enjoy your summer vacation. During one of your days of relaxation and non-academic bliss, however, you realize you need to run a few errands. After stopping at the gas station where you fill the gas tank to its ...

*November 16, 2010 by Need Help*

**Physics**

A compact car of mass 915 kg has an overall motor efficiency of 16.0%. (a) If burning one gallon of gasoline supplies 1.34 108 J of energy, find the amount of gasoline used in accelerating the car from rest to 55.0 mi/h. Here you may ignore the effects of air resistance and ...

*October 27, 2015 by Steven*

**akgebra**

One pipe can fill a tank in 20 minutes, while another takes 30 minutes to fill the same tank. How long would it take the two pipes together to fill the tank?

*April 24, 2013 by jj*

**chemistry**

according to the American insurance companies, a driver will travel 12,000 miles in a single year. gasoline may be taken as primarily c8h18. the drives vehicle gets 25.0 miles per gallon. the density of octane is 0.703 g/ml. how much gasoline in gallons is used in one year? ...

*April 17, 2013 by elda*

**Physics 101**

A storage tank of negligible mass and 30m high is filled with gasoline. What is the force that acts on a square access hatch at the bottom of the tank that measures 0.5m x 0.5m

*March 21, 2016 by Michelle*

**langauge arts**

What is the best way to rewrite the following topic to form a focused thesis statement? Electric cars vs. Cars fueled with gasoline A. Cars fueled with gasoline shouldn't be allowed on the road, especially when electric cars are so readily available. B. Electric cars and cars ...

*April 10, 2015 by Grace*

**Chemistry**

How many liters of air (78 percent N2, 22 percent O2 by volume) at 20 degrees Celsius and 1.00 atm are needed for the complete combustion of 1.0 L of octane, C8H18, a typical gasoline component that has a density of 0.70 g/mL?

*April 28, 2011 by Star*

**math2**

Solve the problem. You traveled 189 miles on 7 gallons of gasoline. At this rate, how many gallons of gasoline would you need to travel 297 miles?

*March 11, 2010 by pat*

**maths **

a car gets 40 kilometers per gallon of gasoline.how many gallons of gasoline would the car need to travel 180 kilometers?

*August 1, 2016 by esha*

**Algebra I**

1. Imagine you are at a gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation a. What does the number 3.03 represent? b. Find C(2). c. Find C(9). d. For the average motorist, name one value...

*August 14, 2010 by stephaine *

**math**

you traveled 189 miles on 7 gallons of gasoline. at this rate how many gallons of gasoline would you need to travel 297 miles? A)11 b)14 C)20 D)15.5

*January 15, 2010 by makeeda*

**Algebra Help**

I am not sure how to set this problem up.. A car uses 12 L of gasoline in traveling 150 km. At that rate, how many liters of gasoline will be used in a trip of 400 km?

*September 17, 2007 by Stacy*

**chemistry**

1. A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this statement, calculate ...

*November 17, 2013 by Claire*

**Math**

It takes 15 minutes to fill a large water tank. However, the tank has a small leak that would completely drain the tank in 4 hours. How long will it take to fill the tank if the leak is not plugged?

*May 21, 2016 by LY*

**Math**

you drive 12,000 miles per year and use 343 gallons of unleaded gasoline. What is your monthly cost of gasoline? my answer: $478.49

*May 29, 2015 by John Dosley*

**school**

A large pipe can fill a tank 10 minutes faster than it takes a smaller pipe to fill the same tank. Working together, both pipes can fill the tank in 12 minutes. How long would it take the large pipe working alone to fill the tank?

*May 21, 2015 by Anonymous*

**chemistry!!**

If someone could please help me figure out this problem and tell me how you did it, I would really appreciate the help!! Chaum drives a car 10,000 miles during the year and the car gets 22 miles/gallon. How many pounds of carbon dioxide in a year will Chaum produce? The ...

*February 26, 2007 by stephanie*

**Math**

How much would it cost to drive an automobile that averages 22 miles per gallon of gasoline that travels 12,500 miles each year, and gasoline costs $2.85 per gallon? I don't know how to write the conversions for this one, because there's nothing that could be on it's on like a...

*June 9, 2009 by Francine*

**Algebra**

Is this right?2. Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was $1.26 and in January 2006 the price of regular unleaded gasoline was $2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) ...

*June 18, 2008 by Anonymous*

**math **

on january 1,1999,the price of gasoline was$1.39 per gallon .if the price of gasoline increased by 0.5%per month ,what was the was the cost of one gallon of gasoline,to the nearest cent,on january 1 one year later?

*May 23, 2013 by harpreet*

**Chemistry**

In a car engine, gasoline (represented by C8H18) does not burn completely, and some CO forms along with CO2 and H2O. If 5 percent of the gasoline forms CO, A)What is the ratio of CO2 to CO molecules in the exhaust? B)What is the mass ratio of CO2 to CO? C)What percentage of ...

*October 11, 2010 by Daniel*

**math**

you research the cost of a gallon of gasoline over several years to look for trends the table shows the data you have collected what is the equation of the line of best fit how much would you expect to pay for gasoline in 2029 a)y=0.538x+1.36; $33.10 b) y=0.289x+1.75:$18.80 C ...

*September 11, 2014 by hay'ikam*

**Chem cp**

1. How many molecules of fertilizer are there in 55,000 g of fertilizer? 2. How many molecules of ammonia Are there in 987 g of ammonia? 3. How many molecules of gasoline are in 719 g of gasoline 4. How many grams of copper are in 7.97 x 10 26th power atoms of copper II ...

*December 11, 2013 by Mary J. Needs help badly*

**college algebra**

water from a tank is being used for irrigation while the tank is being filled. The two pipes can fill the tank in 6h and 8h, respectively. the outlet pipe can empty the tank in 24h. How long would it take to fill the tank with all three pipes open? round the answer to the ...

*December 12, 2012 by Zachery*

**Physics**

A storage tank of negligible mass and 30m high is filled with gasoline. Please calculate the following. Use density values found in the book. a) The gauge pressure and absolute pressure at the bottom of the tank. b) The force that acts on a square access hatch at the bottom of...

*December 9, 2015 by Kati*

**geometry**

Gasoline Containers Mark Russo has two right cylindrical containers for storing gasoline. One has a diameter of 10 in. and a height of 12 in. The other has a diameter of 12 in. and a height of 10 in. a. Which container holds the greater amount of gasoline, the taller one...

*April 20, 2011 by Nette*

**budget and forecasting**

Using the table “Gasoline Sales Time Series”, calculate the forecast for gasoline sales (in thousands) for Week 13 using a three day moving average. Gasoline Sales Time Series Week Sales (000’s of gallons) 1 17 2 21 3 19 4 23 5 18 6 16 7 20 8 18 9 22 10 20 11 15 12 22

*October 31, 2010 by tracey*

**Math**

Gasoline accounts for 85% of the motor fuel consumed in the United States every day. If 8,882 thousand barrels (bbl) of motor fuel is consumed each day, how much gasoline is consumed each day in the United States? Round to the nearest barrel. Would his be correct? 82%=82/100 ...

*May 27, 2007 by Lily*

**math**

Filling a tank. Two pipes are connected to the same tank. Working together they can fill the tank in 4 hrs. The larger pipe working alone can fill the tank 6 hrs less than the smaller one, HOw long would the smaller one take, working alone, to fill the tank?

*June 21, 2011 by AJA*

**Algebra 2**

A boat has a 10 gallon gasoline tank and travels at 20mi/hr with a fuel consumption of 16mi/gal when operated at full throttle in still water. The boat is moving upstream into a 5mi/hr current. How far upstream can the boat travel and return on 10 gallons of gasolineif it is ...

*November 3, 2011 by GY*

**math**

A car travels 200 miles at 55 miles per hour at 22 miles per gal. How many gallons of gasoline would it use in 5 hours? my answer is 12.5 gals.

*August 7, 2015 by kareen*

**math**

1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: a) What does the number 3.03 represent? The amount of gas gallons that you pumped b) Find C(2) c) Find C(9) ...

*November 27, 2009 by Anonymous*

**Chem**

When a piece of Copper weighing 250 grams is placed in a cup with 450 ml of water at 21OC and the Cp of the cup is 47 J/K, how many grams of gasoline would it take to heat the system to 110OC?

*July 21, 2015 by Jessica*

**economics**

Gasoline and beer are monopolistic competition. But why the prices of gasoline always changes while beer's price is constant?

*March 8, 2010 by uno *

**algebra**

a boat can travel 339 kilometers on 113 liters of gasoline. How much gasoline will it need to go 156 kilometers?

*September 7, 2016 by Anonymous*

**chemistry**

Gasoline sold in Ontario must contain at least 5.00% v/v ethanol? How much gasoline contains 1.50 L of ethanol? my answer is 22.5 ml is this correct

*December 16, 2014 by dana*

**math**

the ratio of gasoline to oil need is 16:1 if you have 3.5 ml of oil how many ml of gasoline must you add to get the proper mixture find answer

*May 7, 2015 by mona*

**chemistry**

gasoline sold in ontario must contain at least 5.00% v/v ethanol? How much gasoline contains 1.50 L of ethanol

*December 15, 2014 by katie*

**SCIENCE**

How many calories of heat do you need if you want to raise the temperature of 310 g of gasoline from 17.0°C to 24.0°C? Specific heat of gasoline is 0.40 cal/g·°C.

*March 6, 2015 by BAI*

**Chemistry**

A woman expends 96 kJ of energy in walking a kilometer. The energy is supplied by the metabolic breakdown of food intake and has a 35 % efficiency. If the woman drives a car over the same distance, how much energy is used if the car gets 8.7 km per liter of gasoline? The ...

*March 27, 2015 by James*

**Algebra II**

An outboard motor calls for a fuel mixture that has a gasoline – to –oil ratio of 50 to 1. How many pints of oil should be added to be gallons of gasoline?

*March 7, 2010 by Patrice*

**physics**

What is being done to reduce emissions from gasoline engines in automobiles? What more can be done in the future? Do you think gasoline engines will become a thing of the past?

*September 23, 2010 by Anonymous*

**Chemistry**

Since ethanol is cheaper than gasoline , today's gasoline's contain varying amonts of ethanol to keep prices lower. given that the enthalpy of combustion of ethanol is -1367 kj/mole and that the aveage energy released by one gram of gasoline is 43 kj: ) Calculae the heat ...

*November 19, 2011 by Devin Boutte*

**Math**

Vehicle A averages 14 miles per gallon of gasoline, and Vehicle B averages 36 miles per gallon of gasoline. At these rates, how many more gallons of gasoline does Vehicle A need than Vehicle B to make a 1,008-mile trip?

*August 26, 2010 by Kelly*

**math **

vehicle a averges 14 miles per gallon of gasoline and vehicle b averges 36 miles per gallon of gasoline at these rates how many more gallons of gasoline does vehicle a need then vehicle b to make a 1008-mile trip

*September 26, 2010 by Anonymous*

**physics**

A storage tank of negligible mass and 30 m high is filled with gasoline

*January 26, 2012 by teresa*

**Chemistry II**

How many grams of gasoline would you need to burn if you started with a 275 gram piece of ice that started at -25 OC and by the end of the experiment had 100 grams of steam and the rest liquid water?

*July 21, 2015 by Cynthia *

**algebra**

Two pumps can fill a water tank in 256 minutes when working together. Alone, the second pump takes times as long as the first to fill the tank. How many minutes would it take the first pump to fill the tank?

*October 28, 2012 by tiffany*

**chemistry**

How many grams of gasoline would you need to burn if you started with 275 gram piece of ice that started at -25C and by the end of the expirement had 100 grams of steam and the rest liquid water?

*February 16, 2011 by reginajones*

**Economics**

3. Determine if the demand for the following products is price elastic or price inelastic, and explain your answer. In your explanation, be sure to include how the necessity of a good and the availability of substitutes affect the price elasticity of demand in each of these ...

*November 23, 2011 by Student1*

**economics**

3.Determine if the demand for the following products is price elastic or price inelastic, and explain your answer. In your explanation, be sure to include how the necessity of a good and the availability of substitutes affect the price elasticity of demand in each of these ...

*November 6, 2012 by April*

**math **

a local gas station uses the formula c= 0.635L+ 6.25 to charge customers who want to buy gasoline and a car wash what is the total cost if you buy 20L of gasoline? please help!

*January 31, 2010 by cait*