a man has one kind of coffee at 'a' paise per kg and another at 'b' paise per kg.how much of each must he take to form a mixture of (a-b)kg, which he can sell at 'c' paise per kg

11,230 results
  1. Math

    Consider a 92∘C cup of coffee placed in a 24∘C room. Suppose it is known that the coffee cools at a rate of 2∘C/min when it is 70∘C. Then according to Newton's law of cooling, the temperature T(t) of the coffee t minutes after being placed in the

  2. algebra

    deluxe coffee is to be mixed with regular coffee to make at least 48 pounds of a blended coffee. the mixture mustContain at least 14 pounds of the deluxe coffee. The luxe coffee cost six dollars per pound of regular coffee three dollars per pound how many

  3. Science

    1. A study was done to find if different tire treads affect the braking distance of an Army Jeep. The same road surface was used each time. Independent variable: Tire Treads Dependent Variable: Braking Distance 2. An experiment was performed to determine

  4. physics

    The "steam" above a freshly made cup of instant coffee is really water vapor droplets condensing after evaporating from the hot coffee. What is the final temperature of 280 g of hot coffee initially at 90.0°C if 2.50 g evaporates from it? The coffee is in

  5. math

    I need some help. My teacher gave me a worksheet "Why does a poor man drink Coffee?" written by Pizzazz. Does anyone know how to do this sheet?

  6. Algebra

    A coffee distributor needs to mix a(n) House coffee blend that normally sells for $8.40 per pound with a Mexican Shade Grown coffee blend that normally sells for $14.70 per pound to create 70 pounds of a coffee that can sell for $14.61 per pound. How many

  7. science

    An experiment was performed how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount a type of water, the same perking time, and the same electrical source were used. Identifying

  8. Math

    The Coffee Counter charges ​$11.00 per pound for Kenyan French Roast coffee and ​$15.00 per pound for Sumatran coffee. How much of each type should be used to make aa 24 pound blend that sells for ​$13.00 per​ pound?

  9. algebra

    a coffee shop mixed brazilian coffee worth $5 per kg with Turkish coffee worth $8 per kg. the mixture is to sell for $7 per kg. how much of each type of coffee should be used to make 300 kg of the mixture?

  10. Physics

    A thermos contains 150cm3 of coffee at 85° C. To cool the coffee, you drop two 10g ice cubes into the thermos. The ice cubes are initially at 0° C and melt completely. What is the final temperature of the coffee? Treat the coffee as if it were water.

  11. Math

    A shop owner blends three types of coffee,A,B,C.in the ratio 3:5:7 a) calculate the weight of each type of coffee in 45kg of three blended mixture. b) given that type A coffee cost $7 per kg, type B coffee costs $10 kg and type C coffee costs $13 per kg,

  12. Chemistry

    At a local convenience store, you purchase a cup of coffee, but, at 98.4oC, it is too hot to drink. You add 23.0 g of ice that is –2.2oC to 248 mL of the coffee. What is the final temperature of the coffee? (Assume the heat capacity and density of the

  13. algebra

    A coffee distributor needs to mix a(n) Organic Free Trade coffee blend that normally sells for $8.30 per pound with a Rift Valley coffee blend that normally sells for $13.90 per pound to create 80 pounds of a coffee that can sell for $10.82 per pound. How

  14. history

    Why did coffee planters in El Salvador help to finance roads, railways, and ports? to help Guatemala transport their goods for a fee to help street vendors sell coffee and pupusas to make it easier to transport their coffee beans to avoid paying taxes A

  15. math

    The busy Mother pours herself a coffee into a paper cup before making her way to the amusement park. The coffee temperature is 35 C when the cup is placed on the kitchen counter. The Mother needs to tend to her son and her coffee is forgotten. When the

  16. maths

    If 8kg of coffee costing $2000 a kg is mixed with 12kg of another kind of coffee costing $2200. What is the cost of the mixture per kg

  17. Math

    Why does a poor man drink coffee?

  18. Math

    Christine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Christine $5.85 per pound, and type B coffee costs $4.40 per pound. This month, Christine made 174 pounds of the blend, for a total cost of $906.25. How

  19. english help please!!

    A character has a personal fear or an emotional struggle. What kind of conflict is this? Man vs. Man Man vs. Nature Man vs. Self Man vs. Society is it c

  20. english help please!!

    When Marilyn Cross is trapped, what kind of conflict does the pilot create for her? Man vs. Man Man vs. Society Man vs. Self Man vs. Nature

  21. algebra

    The vendor of a coffee cart mixes coffee beans that cost $8 per pound with coffee beans that cost $4 per pound. How many pounds of each sould be used to make a 60-pound blend that sells for $5.25 per pound? $8 coffee __________ $4 coffee __________

  22. math

    At a local coffee shop, one customer purchased two muffins and three cups of coffee for $14.47. Another customer ordered 3 muffins and 5 cups of coffee for $23.30. Write and solve a system of equations to find the price of a single muffin and a single cup

  23. Math

    Anand bought a total of 30 white and brown pens for a total of Rs 32. The cost of each white pen is 70 paise more than the cost of each brown pen. Which of the following represents a possible value of the cost of each brown pen(in paise)?

  24. Algebra

    The Coffee Counter charges $9.00 per pound for Kenyan French Roast coffee and $8.00 per pound for Sumatran coffee. How much of each type should be used to make a 20-lb blend that sells for $8.40 per pound? Here are the 2 equations (or system of equations)

  25. physics

    How many grams of coffee must evaporate from 350 g of coffee in a 100-g glass cup to cool the coffee from 95.0ºC to 45.0ºC ? You may assume the coffee has the same thermal properties as water and that the average heat of vaporization is 2340 kJ/kg (560

  26. Math

    How do I do Why does a poor man drink coffee? I can't get the right answers.

  27. Physical Science

    A 43.0 g silver spoon at 22.3°C is placed in a cup of coffee at 90.0°C. The spoon absorbs heat from the coffee to reach a temperature of 89.0°C. If the silver spoon placed in the coffee causes it to cool 0.89°C, what is the mass of the coffee?

  28. chem211

    A chemistry professor has a cup of coffee containing 50.0mL of room temperature coffee at 25.0C. The professor also has a new pot of hot coffee at temperature of 96.0C. What volume of hot coffee will the professor need to add to his cold coffee to reach

  29. math

    In order to gain popularity amongst high school students the local coffee shop is delivering coffee to sell at lunch. Below is a function that represents the prices of coffee where t is the days since January 10th. Piecewise function c(t) = 2; 1

  30. algebra

    A cup of coffee is heated to 180°F and placed in a room that maintains a temperature of 65°F. The temperature of the coffee after t minutes is given by T(t) = 65 + 115e^−0.042t.(a) Find the temperature, to the nearest degree, of the coffee 10 minutes

  31. math

    A store manager wishes to reduce the price of her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for $1.20 per pound, how much coffee worth 80 cents per pound must she mix with it so that she can sell the final mixture

  32. Science

    Suppose in a restaurant your coffee is served about 5 or 10 minutes before you are ready for it. If you want the coffee to be as hot as possible when you drink it, should you pour in the room temperature cream right away or when you are ready to drink the

  33. math

    I need to solve as an equation. A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100 lb of a mixture that will sell for $11.25 per pound. How much of each type of been should be used

  34. PHYSICS

    A thermos contains 152 cm3 of coffee at 93.8 °C. To cool the coffee, you drop two 11.6-g ice cubes into the thermos. The ice cubes are initially at 0 °C and melt completely. What is the final temperature of the coffee in degrees Celsius? Treat the coffee

  35. math 5th grade

    One morning, 8/9 of the customers at the diner ordered coffee. Regular coffee was ordered three times as much as flavored coffee. What fractional part of the customers orderd flavored coffee? I did it this way 8/9x3/1= 24/9=8/3 It is wrong so please show

  36. Chemistry

    Anyone know how to go about the problem? I don't know how to do it. Assume a professor has a daily special request for her coffee. She likes to have the 250.0 mL of coffee frozen at -15.0°C overnight and then wants it heated to 95°C when she gets there

  37. algebra

    A coffee distributor needs to mix a(n) Queen City coffee blend that normally sells for $9.60 per pound with a Tanzanian coffee blend that normally sells for $11.20 per pound to create 80 pounds of a coffee that can sell for $9.84 per pound. How many pounds

  38. math

    A coffee distributor needs to mix a(n) Breakfast coffee blend that normally sells for $8.30 per pound with a Gazebo coffee blend that normally sells for $8.70 per pound to create 70 pounds of a coffee that can sell for $8.33 per pound. How many pounds of

  39. math

    If 8kg of coffee costing $2000 a kg is mixed with 12kg of another kind of coffee costing $2200. What is the cost of the mixture per kg

  40. Maths

    how many ways can 6 coins be chosen from 20, one rupee coins, 10 fifty paise coins, 7 twenty paise coins?

  41. Algebra

    Hot Java Coffee Company adverties their decaffeinated coffee as 97% caffeine free as compared to their regular caffeinated coffee. If a cup of coffee is 8 ounces, how many ounces of decaffeinated coffee would you have to drink to get the equivalent amount

  42. math

    In order to gain popularity amongst high school students the local coffee shop is delivering coffee to sell at lunch. Below is a function that represents the prices of coffee where t is the days since January 10th. Piecewise function c(t) = 2; 1

  43. Math

    A group of students were asked to select their preferred breakfast drink from among coffee, tea, and orange juice. The results of the survey are shown in the table along with information about whether the students are in high school (HS) or in college (C).

  44. maths

    A coffee urn holds 12 litres when full. Harry fills coffee cups from the urn until the coffee runs out. A)How many 140ml cups of coffee can be filled from the urn? B)At the end there is not enough coffee left to fill a cup, Harry decides to drink it

  45. Maths

    A coffee urn holds 12 litres when full. Harry fills coffee cups from the urn until the coffee runs out. A)How many 140mls cups of coffee can be filled from the urn? B)At the end there is not enough coffee left to fill a cup, Harry decides to drink it

  46. physics

    The "steam" above a freshly made cup of instant coffee is really water vapor droplets condensing after evaporating from the hot coffee. What is the final temperature of 200 g of hot coffee initially at 90.0°C if 2.00 g evaporates from it? The coffee is in

  47. maths

    the ratio of the price of coffee A to coffee B is 2:3. During a certain month, a store sells coffee A and coffee B in the ratio of 4:5. If the total revenue from the sale of these two coffees is Rs27,600, how much of the revenue was from the sale of coffee

  48. geometry

    A conical scoop is used to remove coffee from the can an place it into a coffee maker. the scoop has a 1 inch diameter and a 2 inch height. if one level scoop is used to make each cup of coffee, how many cups of coffee can be made from a full 2-pound can

  49. chemistry

    The average cooling rate of a cup of coffee is 24 °C per minute, and you can begin to sip the coffee when it is 60 °C. How long must you wait before you can begin to sip the coffee if the initial coffee temperature is 156 °C?

  50. Math

    Amanda received a 70 gift card for a coffee store. She used it in buying some coffee that cost 7.37 per pound. After buying the coffee, she had 25.78 left on her card. How many pounds of coffee did she buy?

  51. math

    1 litre of coffee at 80oC need to be cooled to 40oC. Assuming that all the ice melts and no heat is lost to the environment. Take the specific heat capacity of coffee to be 4200J/kgK, density of coffee to be 1000kg/m3 and latent heat of fusion of water to

  52. basic science

    1 litre of coffee at 80oC need to be cooled to 40oC. Assuming that all the ice melts and no heat is lost to the environment. Take the specific heat capacity of coffee to be 4200J/kgK, density of coffee to be 1000kg/m3 and latent heat of fusion of water to

  53. physics

    ssume all temperatures to be exact. A 0.240-kg coffee cup at 27∘C is filled with 0.200kg of brewed coffee at 96∘C. The cup and the coffee come to thermal equilibrium at 84∘C. Part A If no heat is lost to the environment, what is the specific heat of

  54. grammar

    can you tell me if sentence or not. 1the women made a cup of coffee. 2An addiction she had since her teen years. 3Never before starting her work day without coffee. 4But still wanted coffee

  55. physics

    A thermos contains 147 cm3 of coffee at 95.0 °C. To cool the coffee, you drop two 12.4-g ice cubes into the thermos. The ice cubes are initially at 0 °C and melt completely. What is the final temperature of the coffee in degrees Celsius? Treat the coffee

  56. Algebra

    A shop sells coffee and donuts. The coffee sells for $4.31 and donuts for $0.83 apiece. The cost to produce a cup of coffee is $1.50 and the cost to make a donut is $0.76. In month 1 the quantity of coffee sold is 1,283 and donuts sold was 216. In month 2

  57. math 5th grade

    One morning, 8/9 of the customers at the diner ordered coffee. Regular coffee was ordered three times as much as flavored coffee. What fractional part of the customers orderd flavored coffee? I did it this way 8/9x3/1= 24/9=8/3 I got 2 2/3 It is wrong so

  58. Maath

    A coffee shop mixes French roast coffee worth $9 per pound with Kona coffee worth $4 per pound. How much of each type of coffee was used in order to obtain 20 pounds of a mixture worth $5 per pound.

  59. algebra

    Mixture Problems Template – Price Problems Copy the problem from the lesson: 1. A store manager wishes to reduce the price on her fresh ground coffee by mixing two grades. If she has 50 pounds of coffee which sells for $10 per pound, how much coffee

  60. math foundations 20

    How do I solve normal distribution word problems? Ex A manufacturer offers a warranty on it's coffee makers. The coffee makers have mean lifespan of 4.5 years, with standard deviation of 0.7 yeaes. For how long should the coffee makers be covered by the

  61. english

    Identify the complete adjective clause and the omitted introductory word. Is he the man you saw at the coffee shop?

  62. Physics

    We often use a spoon to cool coffee by stirring. Some of the heat is conducted from the coffee to the air by this method, but the spoon itself will cool the coffee a little. If a 12 gram aluminum teaspoon at 22 o C is placed in 175 ml of water (coffee's

  63. maths

    a man has one kind of coffee at 'a' paise per kg and another at 'b' paise per kg.how much of each must he take to form a mixture of (a-b)kg, which he can sell at 'c' paise per kg without loss.

  64. maths

    1. a first train travelling at x km an hour takes t hour less to travel y km than a slower one takes to travel z km . find the different between their speed 2. a man has one kind of coffee at 'a' paise per kg and another at 'b' paise per kg how much of

  65. maths

    I bought a certain number of apples at 4 for 6 paise and 3/5 of that number at 3 for 6 paise by selling them at 16 for rs.30p. I gained 24 paise.. How many apples did I buy????

  66. Math

    A man drives 40 3/8 miles to work each day he stops for coffee at a shop that is 1/2 of the way to his job how far does the man drive before he stops for coffee

  67. English

    Hello. Thank you, Ms.Sue, again for the answer. Please help me with one more question. Is the sentence OK: "While I'm making coffee, you'll be cutting the cake"? (it's a kind of arrangement) By the way, do I have to use "some coffee" in this context? Thank

  68. primary

    a sweet cost 35 paise and a toffee cost 65 paise. mrs naeem bought 4 sweets and some tofees. she spent Rs.4.00 altogether. How many tofees did she buy?

  69. Math

    A sweet cost 35 paise and a toffee cost 65 paise. Mrs naeem bought 4 sweets and some toffees. she spent Rs 4.00 altogether. How many toffees did she buy?

  70. maths

    The cost of fencing a square field at 40 paise per meter is rs 2000.find the cost of watering the field at 80 paise per 100msquare

  71. maths

    1 a boy was employed on the understanding that he was to receive 'p' paise for everyday he worked and 'q' paise for everyday when there was no work for him after 'd' days his total earnings amounted to rupees x how many days had he worked

  72. maths

    a boy was employed on the understanding that he was to receive 'p' paise for everyday he worked and 'q' paise for everyday when there was no work for him. after 'd' days his earnings amounted to Rs.'x'.how many days had he worked?

  73. English

    Based on what you know about him so far, describe Jim. What kind of a man is he? Why is he the kind of man he is?

  74. math

    a boy has enough money to buy 20 exercisew book.if each book cost 25 paise less,he could buy 2 more books and still have 20 paise left.how much money did he have??? ans (48 rs)?

  75. english

    Then he says, slow and scornful: "The idea of you lynching anybody! It's amusing. The idea of you thinking you had pluck enough to lynch a man! Because you're brave enough to tar and feather poor friendless cast-out women that come along here, did that

  76. body system

    a 63 year old man has become progressively hard of hearing. hes a retired airplane maechanic. what kind of hearing loss is this man most likely to have

  77. Algebra II

    Among 100 coffee drinkers, 36 said that they preferred their coffee black and the rest did not prefer their coffee black to those who prefer non black coffee. Find a ratio for each of the following and write it as a ratio of integers in lowest terms. I do

  78. sensory organs

    A 63-year-old man has become progressively hard of hearing. He’s a retired airplane mechanic. What kind of hearing loss is this man likely to have? A. Conductive C. Sensorineural B. Infectious D. External

  79. mathematics

    Coffee grade 1 at sh.30. per 50 grams is blended with coffee grade 2 at sh.20 per 25grams and the mixture is sold at sh.96 per 100grams at a profit of 22%. Calculate the ratio in which the two brands of coffee were mixed.

  80. Statistics

    A coffee company wants to make sure that there coffee is being served at the right temperature. If it is too hot, the customers could burn themselves. If it is too cold, the customers will be unsatisfied. The company has determined that they want the

  81. English

    What's your personality? What are you like? 1. I'm kind of introverted. 2. I'm kind of introvert. 3. I'm kind of introvertish. 4. I'm kind of extroverted. 5. I'm kind of extrovert. ----------------- Are the answers all grammatical? Which ones are commonly

  82. algebra

    A coffee shop sells small cups of coffee and large cups of coffee. A small cup of coffee costs $2. A large cup of coffee costs $3. On Tuesday, the store sold a total of 155 cups of coffee for a total of $335. How many small cups of coffee did the store

  83. Math

    At Uriah's coffee shop, the amount of ground coffee beans left in stock on a given days a function of the amount of coffee sold that day. If "c" is the number of cups of coffee sold, and "z(c)" is the number of ounces of ground coffee left in stock, then

  84. English

    I am trying to find a connection between Invisible man by Ralph Ellison and got tell it on the mountain by James Baldwin. The only connection I can find is that both characters are somehow betraying their race. However, in invisible man I can find that

  85. chemistry

    A pound of coffee beans yields 56 cups of coffee (4 cups= 1 qt.) how many milliliters of coffee can be derived from 2.2g of coffee beans?

  86. science

    Suppose you have a coffee mug with a cylindrical shape (the radius is uniform, in other words). What is its inside radius, in centimeters, if it holds 360 g of coffee when filled to a depth of 9.5 cm? Assume coffee has the same density as water, 1.00

  87. Calculus

    Suppose you have a hot cup of coffee in a room where the temp is 45 Celcius. Let y(t) represent the temp. of coffee as a function of the number of minutes t that have passed since the coffee was poured a) write a differential equation that applies to

  88. Math

    I know that I have to use log to solve, but I am having a hard time with the word problems. Please help Coffee is best enjoyed at a temperature of 121° F. A restaurant owner wants to discover the temperature T at which he should serve his coffee so that

  89. algebra

    A man (we'll refer to him as man 1) starts from his home at 8 A.M. and drives a steady rate of 50 MPH. An hour later a second man ( man 2) starts to follow him. Draw a graph to represent these facts. From the graph find when man 2 overtakes man 1. Okay, I

  90. Anatomy And Physiology

    A 63 year old man has become progressively hard of hearing. He's a retired airplane mechanic. He also notices a lot of wax in his ears. What kind of hearing loss is this man likely to have? A. conductive B. conductive AND sensorinueral

  91. Anatomy and Physiology

    A 63-year-old man has become progressively hard of hearing. He's a retired airplane mechanic. He also notices a lot of wax in his ears. What kind of hearing loss is this man likely to have? A. Conductive B. Conductive AND sensorineural

  92. physics

    An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

  93. physics

    An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

  94. Physics

    5) An insulated Thermos contains 190 cm3 of hot coffee at 79.0°C. You put in a 11.0 g ice cube at its melting point to cool the coffee. By how many degrees (in Celsius) has your coffee cooled once the ice has melted and equilibrium is reached? Treat the

  95. Statistics

    Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a.What is the probability that exactly 2 of the 4 correctly identify the

  96. Statistics

    Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a.What is the probability that exactly 2 of the 4 correctly identify the

  97. Statistics

    1. Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a. What is the probability that exactly 2 of the 4 correctly identify

  98. Statistics

    Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a. What is the probability that exactly 2 of the 4 correctly identify the

  99. human growth

    The esteemed Dr Bookworm has just completed a study in which he found a +1.0 correction between the number of cups of coffee his students drank right before class and the scores they earned on his final exam. This correlation means that: A. the less coffee

  100. Chemistry/Calorimetry

    You buy coffee (200.0 ml) served in a styrofoam cup. You are up late working in a chemistry lab, and want to drink the coffee right away, but at 95.0 degrees C, it is too hot to drink. You like the temperature of your coffee to be 79.0 ± 1.0 degrees C.

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