Tuesday

May 24, 2016
Number of results: 43,563

**math**

Tim needs to fill 3 20L barrels with oil. Oil dispenser flows at 100ml/s . How long to fill up 3 barrels. Please help by showing all steps so I can understand how the answer was determined. Thanks!
*October 2, 2015 by K*

**Math**

Shezad needs 10 litres of lemon squash to fill 20 cups. How much squash will he need to fill 25 cups?
*October 23, 2015 by Wedad*

**math**

About 7.5 gallons of water fill up 1 cubic foot of space. How many gallons of water will fill a goldfish pool.
*March 7, 2016 by Hayden Tate*

**math 213**

Determine all possible digits to fill in the blanks to make each of the following true. 9 |482____ 6|24____35 4 |63____
*December 5, 2009 by alicia*

**Algebra**

In preparation for a storm, the town council boys 13,750 pounds of sand to fill sandbags. Volunteers are trying to decide whether to fill bags that can hold 25 pounds of sand bags or bags that can hold 50 pounds of sand. Will they have more or fewer sandbags if they fill the ...
*October 7, 2014 by Ms. Liz*

**living environment**

1) the prefix milli- means 1/1,000. how many times would you have to fill and empty a 10 ml graduated cylinder in order to fill a 1 liter soda bottle? i put 100 times. 2) what are eight examples of liquid products sold by volume
*September 9, 2014 by tom*

**CHEMISTRY 3**

Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, ...
*October 6, 2014 by Run*

**Math**

I really need help with this question please Break-even equation. Fill in the blank. The following table contains selected data concerning several outpatient clinics in the new Ambulatory Care Center at Hope University Hospital. Fill in the missing information. A. PRICE PER ...
*August 14, 2013 by Mae*

**5th Grade Math**

0.38 = (3 X 0.1) + ( X ) My sons paper instructs us to fill in the missing values. We understand that we are to fill in the two values in the second set of parenthesis, but that is all we understand. Please help...I feel so inadequate because I can't help my child with this ...
*September 7, 2010 by Sabrina*

**SCIENCE?CHEMISTRY*****

Am using the inventory method at moment but am stuck on how fill i the inventory for __Agl+__Fe2(CO3)3--> __Fel3+__Ag2CO3 I think the brackets are throwing me Hows this element b4 after ------------------------------------ Ag 1 2 l 1 3 Fe 6 1 CO 3 3 I dont know if this is ...
*May 16, 2010 by ANDY*

**Math**

Tap A fills up a water tank in 45 mins. Tap A fills up_____(ugh soo right here for the answer... do i put it in a fraction or something?)of the tank in one min. Tap B fills up the same tank in 75 mins. Tap B fills up_____of the tank in one min Tap A and tap B fill together up(...
*April 13, 2007 by karen j.*

**college algebra**

a garden hose can fill a pool in 3 days and a longer one can bill the pool in 2 days. How long will it take to fill the pool if both hoses are used.
*March 8, 2009 by Lou*

**Math**

(This is a question where we have to fill in the blank) So: 2 3 5 ? 12 11 16 26 41 ? It's a number sequence question and I need to fill in the ? as well as write a rule in words. PLEASE HELP!(And the top number has to relate with the bottom number)
*August 10, 2010 by Marianne*

**Math**

One pipe fills a tank in 1 hour while another pipe can fill the same tank in 2 hours. How long will it take to fill the tank if both pipes are used.
*May 13, 2014 by Lucifer*

**Algebra**

It takes 30 days to fill a laboratory dish with bacteria. If the size of the bacteria doubles each day. How long did it take for the bacteria to fill one half of dish?
*January 1, 2012 by Anonymous*

**algebra**

It takes 30 days to fill a laboratory dish with bacteria. If the size of the bacteria doubles each day. How long did it take for the bacteria to fill one half of dish?
*January 2, 2012 by Anonymous*

**CHEMISTRY**

Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, ...
*October 5, 2014 by Run*

**CHEMISTRY**

Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, ...
*October 26, 2015 by Kajana Stomack*

**Algebra 2**

Perry can fill a sorter with oranges from the conveyer belt in 10 minutes. While Perry fills the sorter, Gillian takes oranges out of the sorter and puts them in shipping crates. With Gillian taking oranges out of the sorter, it takes 25 minutes for Perry to fill the sorter. ...
*January 12, 2016 by Anon*

**maths**

Two pipes A and B can fill in 40 minutes and 30 minutes respectively.Both the pipes are open together but after 5 minutes, pipe B is turned off.What is the total time required to fill the tank?
*January 10, 2016 by ammu*

**Maths**

Pipe A takes twice the time to fill up the pool as pipe B does.The pool can be filled up in 2 h when both pipes are opened How long will it take each pipe to fill it up alone Plz slove it in Linear equation
*May 27, 2013 by Mary*

**Chemistry**

. An equal mass of which of the following states of matter could completely fill both a 100 mL or 500 ml container? A. Gas B. Liquid C. Mixture D. Solid
*July 14, 2014 by Dulce*

**Chemistry / help**

An equal mass of which of the following states of matter could completely fill both a 100 mL or 500 ml container? A. Gas B. Liquid C. Mixture D. Solid
*July 31, 2014 by Dulce*

**scince**

an equal mass of which of the following states of matter could completely fill both a 100mL or 500mL container? a. gas b. liquid c. mixture d. solid
*May 27, 2015 by science*

**Math**

If it takes 16 faucets 10 hours to fill 8 tubs, how long will it take 12 faucets to fill 9 tubs?
*July 19, 2010 by Pauline*

**Maths**

A pipe of radious 1 cm can fill up a tank in 20 minut ;time to taken by another pipe of radious 2 cm to fill ;it will be
*February 23, 2016 by Anish*

**Math**

If a 2-inch pipe will fill a tank in 6 hours, how long will it require for a 3-inch pipe to fill it?
*May 6, 2016 by Laurie*

**Environmental studies**

Are there problems with mitigating impacts on wetlands/streams at an off-site location within the same watershed? i.e. fill a wetland in Maryland and mitigate for it or create it in Virginia. Should the federal government (U.S. Army Corps of Engineers) or a developer decide ...
*June 3, 2008 by Thano*

**Chem**

Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, ...
*April 27, 2016 by Sarah*

**math**

colin is buying dirt to fill a garden bed that is a 9 foot by 16 foot rectangle. if he wants to fill it to a depth of 4 inches, how many cubic yards of dirt does he need? if dirt costs $25 per yard, how much will the project cost?
*April 19, 2012 by christian*

**Math **

Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4 in., how many cubic yards of dirt does he need? If dirt costs $25 per yd3, how much will the project cost? (Hint: 1 yd3 = 27 ft3)
*March 25, 2015 by Angie Delgado *

**Advanced Maths **

A reservoir is fed by two pipes of different diameter. The pipe with the larger diameter takes three hours less than the smaller pipe to fill the reservoir. if both pipes are opened simultaneously, the reservoir can fill in two hours. Calculate how long it takes the pipe with ...
*February 15, 2014 by Michelle *

**english**

revise the following sentence to remove all pronoun errors. When a police officer fires his gun, he must fill out a lot of paperwork.
*September 30, 2009 by dee*

**math**

By selling at Rs 77, some 2 1/4% shares of face-value Rs 100 and investing the proceeds in 6% shares of face value Rs 100, selling at Rs 110 a person increased his income by Rs 117 per annum. How many shares did he sell? Two pipes running together can fill a cistern in 11 1/9 ...
*November 23, 2015 by jyoti*

**Math**

Jim can fill a pool in 30 min, sue can do it in 45 min, Tony can do it in 90min, how long would it take all three to fill the pool together? How would i figure this out?
*June 28, 2012 by Anonymous*

**math**

you fill up 40 gallon pool putting in 2 gallons water every minute, if someone scoops out 1 gallon every 8 minutes, how long would it take to fill the pool?
*January 24, 2013 by Lisa*

**math**

It takes 1 and 3/4 hours to fill a new underground gasoline storage tank. What part of the tank would be fill if the gasoline had been shut off after 1 hours?
*July 16, 2013 by vincent*

**5th grade Math**

One tap can fill a barrel in 3 minutes and another can fill it in 6 minutes. Both taps are turned on together for 1 minute. What fravction of the barrel will be filled in 1 minute?
*April 26, 2009 by Serena*

**Statistics**

For the following set of scores, fill in the cells. The mean is 70 and the standard deviation is 8. Raw score Z score 68.0 ? ? –1.6 82.0 ? ? 1.8 69.0 ? ? –0.5 85.0 ? ? 1.7 72.0 ?
*November 26, 2014 by KIM*

**Algebra **

Two pipes are connected to the same tank. When working together, they can fill the tank in 12 hrs. The larger pipe, working alone, can fill the tank in 18 hrs less time than the smaller one. How long would the smaller one take, working alone...
*April 15, 2016 by Mai*

**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*

**Algebra**

One pipe can fill a swimming pool in 8 hours. Another pipe takes 12 hours. How long will it take to fill the pool if both pipes are used simultaneously?
*May 24, 2010 by TinaG*

**math**

One pipe can fill a swimming pool in 8 hours. Another pipe takes 12 hours. How long will it take to fill the pool if both pipes are used simultaneously?
*January 19, 2016 by fuzzy*

**maths**

To fill a swimming pool two pipes are to be used.If the pipe of larger diameter I'd used for 4 hours and the pipe of smaller diameter for 9 hours only half the pool can be filled .Find ,how long it would take for each pipe to fill the tank separately, if the pipe of smaller ...
*March 18, 2016 by Har!@#$%^&a *

**Physics**

A 5/8 inch (inside) diameter garden hose is used to fill a round swimming pool 7.3m in diameter.How long will it take to fill the pool to a depth of 1.0m if water issues from the hose at a speed of 0.50m/s ?
*November 5, 2012 by Jokella *

**Algebra**

Sue, an experienced shipping clerk, can fill a certain order in 5 hours. Jim, a new clerk, needs 12 hours to do the same job. Working together, how long will it take them to fill the order?
*April 7, 2016 by Mark*

**science**

All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
*June 4, 2014 by NEED HELP*

**maths**

One pump fills a tank two times as fast as another pump. If the pumps work together they fill the tank in 18 minutes. How long does it take each pump working alone to fill the tank?
*February 2, 2014 by Tim*

**MATH MIDDLE SCHOOL**

I love chocolate and coffee. I begin by making one cup of hot chocolate. I drink half of my cup and then I fill the cup with coffee. I stir the new mixture and drink half of the cup and then fill the cup again with coffee. I continue this pattern until I have consumed two full...
*October 10, 2011 by Help Please*

**Solar Energy Help ASAP**

Below you see a plot of an ideal and a non-ideal JV curve. Based on this plot and assuming an irradiance of 1000W/m2, give approximately the numerical values to the questions bellow: I. Estimate the ideal Fill Factor (in %): II. Estimate the non-ideal Fill Factor (in %): III. ...
*October 17, 2013 by Anonymous*

**maths**

Three pipes can fill a water tank constantly.The time taken for the first two pipes working simultaneously to fill the tank is equivalent to time taken by the third pipe to fill it alone.If the second pipe fills the tank in 10 hours faster than the first pipe and 8 hours ...
*January 10, 2016 by ammu*

**Math Middle School**

Please help me solve this challenge problem: I love hot chocolate and coffee. I began by making one cup of hot chocolate. I drink half of my cup and then I fill the cup with coffee. I stir the new mixture and drink half of the cup and then fill the cup again with coffee. I ...
*October 11, 2011 by HELP PLEASE!!!!!*

**arithmetic**

The pet shop owner told jean to fill the new fish tank 3/4 full of water.Jean filled the tank 9/12 full.What fraction of the tank does she still need to fill?
*March 21, 2012 by kelly*

**math **

the pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full. What fraction of the tank does Jean still need to fill??
*November 10, 2012 by Marie*

**math**

the pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full . what fraction of the tank does Jean still need to fill?
*March 4, 2013 by jessica*

**math**

The pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full. What fraction of the tank does Jean still need to fill?
*February 10, 2014 by Anne*

**Maths**

13. The pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full. What fraction of the tank does Jean still need to fill?
*May 4, 2014 by Anonymous*

**math**

the pet shop owner told jean to fill her new fish tank 3/4 full with water. jean filled it 9/12 full. what fraction of the tank does jean still need to fill.
*October 22, 2014 by Anonymous*

**Math**

The pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full. What fraction of the tank does Jean still need to fill?
*March 16, 2015 by Jamason*

**college**

Use the Microsoft Web site microsoft. com/ windows/ compatibility to research whether a home or lab PC that does not have Windows Vista installed qualifies for Vista. Fill in the following table and print the Web pages showing whether each hardware device and appli-cation ...
*December 1, 2010 by Anonymous*

**Math**

the pet shop owner told jean to fill her new tank 3/4 full with water. Jean filled it 9/12 full. what fraction of the tank does Jean still need to fill?
*February 23, 2013 by Lissette*

**chemistry**

1. it takes: ____ electrons to fill the 6d subshell of an atom. 2. It takes _____ electrons to fill the n=6 shell of an atom. I thought it was 22 and 72?
*March 12, 2014 by abby*

**Math**

Faucet A fills a sink in 2 hrs. Faucet A and B fill the same sink (together) in 1 hr 15 mins. Faucet B would take how long to fill the sink by itself?" (Faucet B is slower)
*October 23, 2014 by Isiah*

**chemistry**

how do i balance the following(fill in the blanks): 1.) __BF3 + __Li2SO3 --> __B2(SO3)3 + __LiF 2.) __CaCO3 + __H3PO4 --> __Ca3(PO4)2 + __H2CO3 3.) __B2Br6 + __HNO3 --> __B(NO3)3 + __HBr
*December 15, 2008 by lyne*

**Physics**

Calculate the following, expressing the answer in scientific notation with the correct number of significant figures: (8.86 + 1.0 * 10^-3) / 3.610 * 10^-3 please help me write out the equation and fill in the appropriate data thanks for your help Jiskha
*February 8, 2009 by y912f*

**Physics**

a BALL IS THROWN UPWARD WITH AN INITIAL VELOCITY OF 9.8 M/S FROM THE TOP OF A BUILDING. FILL A TABLE BELOW SHOWING THE BALLS POSITION,VELOCITY, and ACCELERATION AT THE END OF EACH OF THE 1ST 4SEC OF MOTION TIME(s) POSITION(M) VELOCITY(M/S) 1 2 3 4 Acceleration (M?S^2) Fill in ...
*February 11, 2015 by Tim*

**maths**

In a table, there are 3 rows with 3 square in each row. Mary wishes to fill some colors into the blocks. Now only red, blue and green colors are available, find the number of ways to fill the table if no adjacent blocks are filled with the same color. Thanks.
*May 23, 2016 by mrfrank*

**Algebra 2**

An extruder can fill an empty bin in 2 hours and a packaging crew can empty a full bin in 5 hours. If a bin is half full when an extruder begins to fill it and a crew begins to empty it how long will it take to fill the bin?
*November 3, 2011 by GY*

**math**

1.) The first person who requires your assistance is Tina the bearded lady. Tina’s side job is to look after the elephants (she double majored at circus university.) a. Tina must fill the semi-circular trough shown above with peanuts. Tina knows that the store bought peanuts ...
*February 11, 2012 by harry*

**math**

ms.smith has a new fish aquarium that measures 45.3 cm long, 23.4 cm wide and 28 cm high. She has had a problem with the fish jumping out of the tank. today she is cleaning and decides to fill the tank to a level that is 4cm from the top to see if that will help. how mmany ...
*October 22, 2007 by kelsy*

**Algebra**

Mr. Daniels bought an above-ground cylindrical swimming pool that has a diameter of 20 feet. He wants to know how long it will take to fill his pool to a depth of 4 feet using his garden hose. It takes him 15 seconds to fill a one-gallon jug. (Note: 1 gallon = 231 cubic inches.)
*February 24, 2016 by Larry*

**Math**

Jim can fill a pool carrying bucks of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together?
*September 23, 2007 by Jen*

**math**

Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together?
*November 29, 2009 by Britany*

**math**

Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 and a half hours. How quickly can all three fill the pool together?
*March 4, 2009 by Nicole*

**Math**

Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together? ANYBODY KNOW THE ANSWER??
*December 9, 2009 by matixbdm*

**Math**

A circular swimming pool is 4 feet deep and has a diameter of 15 feet. If it takes 7.5 gallons of water to fill one cubic foot, to the nearest whole number, how many gallons are needed to fill this swimming pool.
*March 14, 2011 by Anonymous*

**Chenistry**

Punnett Square for F1 Cross ¨C Expected Genetic Outcomes F1 Parent, genes: _________ (student to fill in the blanks) ¡â alleles > ¡á alleles v F1 Parent, genes:__________ (student fill in blank)
*July 8, 2012 by Cato*

**math**

The given cylindrical container r =3 inches and height= 8in is used to fill the rectangular prism fish tank 24 , 24 and 12 inches with water. What is the least number of full cylindrical needed to completely fill the fish tank?
*November 27, 2015 by kudu*

**Math**

A tank is filled with an intake pipe that will fill it in 5 hours and an outlet pipe that will empty it in 15 hours. If both pipes are left open, how long will it take to fill the empty tank?
*July 20, 2014 by AD12*

**chemistry**

The following is kinetic rate data taken as absorbance of reactant vs. time: A: ln(A): Time/min: 0.532 ?? 0.0 0.484 2.54 0.442 5.12 0.395 8.35 0.350 11.95 fill in the ln(A) column
*September 24, 2012 by Brunette *

**Math (Number Theory)**

the following two lines indicate another way to derive the formula for the sum of the first n integers by rearranging the terms in the sum. Fill in the details. 1+2+3+...+n=(1+n)+(2+(n-1))+(3+(n-2))+... =(1+n)+(1+n)+(1+n)+...
*April 21, 2014 by Tiff*

**Math**

Each of three pumps A, B, C can pump water either into, or out of, a swimming pool. Pump A can fill the pool in 6 hours, while pumpp B works twice as fast. Pump C however takes one third more time than pump A to fill the pool. 1. All three pumps together pumping in water will ...
*March 19, 2015 by Yin*

**Algebra**

It takes 10 hours to fill a pool with water, and 20 hours to drain it. If the pool is empty and the drain is open, how long will it take to fill the pool?
*April 17, 2013 by Rayyan*

**Math**

Jack is going to fill his beach ball with water. The radius of the ball is 24in. How much water will it take to fill the beach ball? 4.19 (2)^3 4.19 (8) 33.52
*April 5, 2016 by Sue*

**Chemistry**

I dont get how to fill in the blanks Show the products for cellular respiration by completing the following chemical reaction equation. Give the correct formula for oxygen as well Glucose+_________ ---> ________+______+___________
*May 16, 2007 by Steve*

**math**

Using the following six digits, 1, 2, 4, 6, 8, and 9, fill in the blanks below to make the maximum product that you can. Use each digit only once. How does an understanding of place value help determine the best solution to this problem? __ __ __ x __ __ __
*September 22, 2010 by james*

**Algebra**

Using the following six digits, 1, 2, 4, 6, 8, and 9, fill in the blanks below to make the maximum product that you can. Use each digit only once. How does an understanding of place value help determine the best solution to this problem?
*January 17, 2011 by Melissa*

**Stats**

Fill in the table below regarding populations and samples. The first column represents the question the statistician is trying to answer. Fill in the blank(s) for each row. 1.Is my well water safe? 2.Are as many girls born as boys in the world? 3.Which works better, Advil or ...
*November 19, 2015 by Logan*

**Stats**

[1.5%] ANOVA: Three groups of 5 students were tested in their ability to correctly answer a 10-question quiz under different formats. Group 1 had a True/False quiz, Group 2 had a Fill-In quiz, and Group 3 had a Multiple Choice quiz. Their scores were as follows: True/False ...
*May 17, 2010 by TJohnson*

**math**

A fish tank 1 feet x 1 1/2 feet x 1/2 feet is carefully used to fill a large tank which has a capacity of 15 cubic feet. How many times will the contents of the smaller tank be rquired to be emptied into the larger tank to completely fill the tank? a. 8 b. 10 c. 11 d. 20 e. ...
*April 13, 2014 by thomas*

**Math**

If a spherical tanl 4m in diameter can be fillef with a liquid for $900, find the cost to fill a tank 12m in diameter. The cost to fill the 12m tank is $__.
*January 22, 2015 by Pam*

**Pre-Calculus**

Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How long would it take to fill the pool if only hose B were used? I multiplied 3 and 2 and got 6 hours. Is this a valid method? Thanks
*April 25, 2015 by Lucina*

**english**

what is being said in the following line: “Foul devil, for God’s sake, hence, and trouble us not; For thou hast made the happy earth thy hell, Fill’s it with cursing cries and deep exclaims.”
*January 15, 2010 by kim*

**math**

A welder decides to make a pyramid shaped paperweight out of flat steel. the height of the pyamid is to be 3.5in and the square base has edges of 2.0in. how much sheet metal, in square inches, will he need to form the shell? to give weight, he is going to fill it with sand. ...
*November 15, 2015 by williams*

**Math 8R - Homework Help!: Part 1 **

Part 1: Fill in the definitions I need the definitions for the following words: solution evaluate inverse operations
*October 29, 2012 by Laruen*

**math**

the fill pipe for a tank can fill the tank in 4 hours and the drain pipe can drain in 2 hours. If both pipes are accidentally opened, how long will it take to empty a half-filled tank?
*September 24, 2008 by Anonymous*

**parent**

Complete the following chart with examples of each type of sculpture. Fill in the title of the artwork, the artist, the year made, and the medium. In the last column, determine whether the work is additive, subtractive, or neither. I need an example of how to post
*March 13, 2010 by Anonymous*

**chemistry**

fill in the missing symnbols in the following nuclear bombardment reactions a. 96 4 100 42Mo + 2He = 43 Tc+ ? b. 59 1 56 27Co+ 0n = 25+ ? c. 23 23 1 11Na+ ? = 12Mg+ 0n d. 209 210 1 83Bi+ ? = 84Po+ 0n e. 238 16 1 92U + 8O= ? + 5 0n TEACHER DID NOT EXPLAIN THIS AT ALL SO CONFUSED
*December 15, 2010 by coleman*

**Algebra**

represent the relationship between the number of triangles and the perimeter of the figures they form. fill in table below. triangle 1: 6-6-5(b) triangle 2:6-6-5(b)&(H) triangle 3: 6-6-5 (b)-5 (B) 5 (h) fill in number of triangles-1, 2, 3, and perimeter they have? Help
*March 4, 2013 by Brieson*

**maths**

a tap can fill a tank in 15 minutes .another tap can empty it in 20 minutes.Initially the tank is empty,if both the taps start functioning the same time,when will the tank become fill?
*March 4, 2016 by mookkiah*