Tutors Answer Your Questions about Mixture Word Problems (FREE)
Question 1149894: A paint dealer mixes three types of paint A, B and C in the ratios A:B = 3:4 and B:C = 1:2. the mixture is to contain 168 litres of C . A)find the ratio A:B:C
B) Find the required number of litres of B
C)The cost per litre of type A is sh.160, type B is sh.205 and type c is sh.100 . i) calculate the cost per liter of the mixture
ii) find the percentage profit if the selling price of the mixture is sh.182 per liter. iii) find the selling price of a liter of the mixture if the dealer makes a 25% (profit?).
Click here to see answer by Theo(13342)   |
Question 1149901: Three grades A, B and C of rice were mixed in the ratio 3:4:5 the cost per kilogram of each of the grades A, B and C were sh.120.00 , sh.90.00 and sh. 60.00 respectiely. calculate
A) the cost of one kilogram of the mixture
B) the selling price of 5 kilogram of the mixture given that the mixture was sold at 8 % profit
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1149901: Three grades A, B and C of rice were mixed in the ratio 3:4:5 the cost per kilogram of each of the grades A, B and C were sh.120.00 , sh.90.00 and sh. 60.00 respectiely. calculate
A) the cost of one kilogram of the mixture
B) the selling price of 5 kilogram of the mixture given that the mixture was sold at 8 % profit
Click here to see answer by ikleyn(52786)  |
Question 1149973: A company is to construct a parking bay whose area is 135 square meters. it is to be covered with a concrete slab of uniform thickness of 0.15 meters. to make the slab,cement, ballast and sand are to be mixed so that their masses are in the ratio 1:4:4 the mass of 1 cubic meter of dry slab is 2,500 kilogram
A) calculate i)the volume of the slab
ii)the mass of the dry slab
iii)the mass of cement to be used
B)If one bag of cement is 50 kilogram, find the number of bags to be purchased
C) if a lorry carries 7 tonnes of sand, calculate the number of lorries of sand to be purchased.
Click here to see answer by Theo(13342) |
Question 1149972: A construction firm has two tractors T one , and T two. both tractors working together can complete a piece of work in 6 days, while T one alone can complete the work in 15 days. after the two tractors had worked together for 4 days, tractor T one broke down. find the time taken by tractor T two to complete the remaining work
Click here to see answer by ankor@dixie-net.com(22740) |
Question 1149972: A construction firm has two tractors T one , and T two. both tractors working together can complete a piece of work in 6 days, while T one alone can complete the work in 15 days. after the two tractors had worked together for 4 days, tractor T one broke down. find the time taken by tractor T two to complete the remaining work
Click here to see answer by josgarithmetic(39617) |
Question 1149902: a trader sales a bag of beans for sh.2,100.00 and that of maize for sh.1,200.00. he mixed beans and maize in the ratio 3:2. find how much the trader should sell a bag of the mixture to realize the same profit
Click here to see answer by ikleyn(52786) |
Question 1150271: A family has two cars. The first car has a fuel efficiency of 20 miles per gallon of gas and the second has a fuel efficiency of 30 miles per gallon of gas. During one particular week, the two cars went a combined total of 1150 miles, for a total gas consumption of 50 gallons. How many gallons were consumed by each of the two cars that week?
Click here to see answer by josgarithmetic(39617) |
Question 1150358: Bobby is working in a lab testing bacteria populations. After starting out with a population of 350 bacteria, he observes the change in population and notices that the population triples every 18 minutes.
Find the equation for the population P in terms of time t in minutes. Round values to three decimal places.
Click here to see answer by ikleyn(52786) |
Question 1150358: Bobby is working in a lab testing bacteria populations. After starting out with a population of 350 bacteria, he observes the change in population and notices that the population triples every 18 minutes.
Find the equation for the population P in terms of time t in minutes. Round values to three decimal places.
Click here to see answer by MathsterChief (3)  |
Question 1150357: In chemistry, the pH of a solution is a measure of the acidity or alkalinity of a solution. Water has a pH of 7 and, in general, acids have a pH less than 7 and alkaline solutions have a pH greater than 7. Find the pH of a solution with a hydronium ion concentration of 8.7×10^−5 moles/liter. Round your answer to two decimal places, if necessary.
Click here to see answer by ikleyn(52786) |
Question 1150357: In chemistry, the pH of a solution is a measure of the acidity or alkalinity of a solution. Water has a pH of 7 and, in general, acids have a pH less than 7 and alkaline solutions have a pH greater than 7. Find the pH of a solution with a hydronium ion concentration of 8.7×10^−5 moles/liter. Round your answer to two decimal places, if necessary.
Click here to see answer by josgarithmetic(39617) |
Question 1150460: A container filled with 30 litres of wine had 5 litres of the wine removed. To fill the container, 5 liters of water was added. The next day 12 litres of the mixture was removed, and replaced with an equal amount of water. What fraction of the final mixture was water?
Click here to see answer by jim_thompson5910(35256) |
Question 1150460: A container filled with 30 litres of wine had 5 litres of the wine removed. To fill the container, 5 liters of water was added. The next day 12 litres of the mixture was removed, and replaced with an equal amount of water. What fraction of the final mixture was water?
Click here to see answer by ikleyn(52786) |
Question 1150837: If Drink A contains 81% caffeine and Drink B contains 69% caffeine. And you want a mixture of both solutions to to create 150 gallons of solution which contains 71% caffeine.
Which system of equations should you use to solve this problem:
x+y=150
81x+69y=106.5
x+y=150
0.81x+0.69y=106.5
x+y=106.5
81x+69y=150
x+y=150
81x+69y=71
Click here to see answer by ikleyn(52786) |
Question 1151202: At Christmas time the Nelson's like to put garland around the outer edge of their window. The dimensions of the window are given below. What length of garland should the Nelson's purchase? 13 feet 8 feet Calculate the circumference of a circle with a radius
Click here to see answer by greenestamps(13200)  |
Question 1151454: A solution containing a 9% concentration of acid is mixed with a solution containing a 5% concentration of acid to get 100mL of solution containing an 8% concentration of acid. How many mL of each solution is needed?
Click here to see answer by addingup(3677)  |
Question 1151376: Jenna’s job requires her to travel. She owns a 2006 Toyota 4Runner, but she also has the option to rent
a car for her travel. In either case, her employer will reimburse her the same amount for the mileage
driven using the rate set by the Internal Revenue Service. In 2015, that rate was 57.5 cents/mile. In this
lesson you will explore the question of whether it would be better for Jenna to drive her own car or to
rent a car.
(1) What do you need to know to calculate the cost of Jenna driving her own car?
(2) What do you need to know to calculate the cost of Jenna renting a car?
Click here to see answer by Theo(13342) |
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