Questions on Word Problems: Mixtures answered by real tutors!

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 Word Problems: Mixtures Solvers Lessons Answers archive Quiz In Depth

 Question 265143: How many liters of a 30% alcohol solution must be mixed with 80 liters of a 90% solution to get an 80% solution? Click here to see answer by checkley77(12569)

 Question 265132: George saves dimes and nickels for tolls. If he has 28 coins worth 2.60, how many are nickels and how many are dimes. Thank you Click here to see answer by checkley77(12569)

 Question 265505: A solution containing 30% insecticide is to be mixed with a solution containing 50% insecticide to make 200 L of a solution containing 42% insecticide. How much of the 50% insecticide solution should be used? Click here to see answer by CharlesG2(828)

 Question 265497: Alyson opened a savings account with a deposit of \$600. She withdrew \$15 each day for the next 5 days, and then deposited her entire paycheck from Barney's Bagels, bringing her balance to \$750. Then she remembered that she had promised to donate 25% of her paycheck to charity. How much should she withdraw from savings? Click here to see answer by Theo(3458)

 Question 265583: Mary is expirimenting with chemical in the laboratory. She mixes a solution that is 10% acid with a solution that is 25% acid. How much of the 10% acid solution will be needed to make 50 liters of aolution that is 20% acis? Click here to see answer by palanisamy(496)

 Question 265590: The Fussy Food Snack Bar makes a trail mix of peanuts and raisins. If the cost of peanuts is \$2.00 per pound and the cost of raisins is \$3.50 per pound, how many pounds of peanuts and how many pounds of raisins should be used to make a 3 pound blend that costs \$3.00 per pound? Click here to see answer by palanisamy(496)

 Question 265592: Maggie made two pots of salsa. The first pot contained 9% hot peppers and was very spicy. The second pot contained only 1% hot peppers and was very mild. In order to mix a 6 pint batch of salsa containing 3% hot peppers, how many pints from each pot should she use? Click here to see answer by checkley77(12569)

 Question 265584: A solution containing 30% insecticide is to be mixed with a solution containing 50% insecticide to make 200 L of a solution containing 42% insecticide. How much of the 50% insecticide solution should be used? Click here to see answer by checkley77(12569)

 Question 265709: Two brothers are saving money to but tickets to a concert. Their combined savings is \$55. One brother has \$15 more than the other. How much has he saved. I tried to set the problem up but i dont know if i set it up correctly: x+2(15)=55 Click here to see answer by solver91311(16877)

 Question 265838: 89 octane gas is made by mixing 87 octane gas and 92 octane gas. How many gallons of the 87 octane gas and 92 octane gas should be used to make 500 gallons of the 89 octane gas? Click here to see answer by stanbon(57307)

 Question 265843: A large tank contains 100 gallons of pure water. How many gallons of a saline solution containing 25% salt must be added to obtain a solution that has 10% salt ? Click here to see answer by stanbon(57307)

 Question 265884: How many gallons of 30% alcohol solution and 70% alcohol solution must be mixed to get 16 gallons of 60% solution? Click here to see answer by vksarvepalli(154)

 Question 266027: Bobby and Mike have a summer job mowing the school yard once a week. The school provides them with two riding lawn mowers.One mower requires 7 hours to mow the school yard, while the other could cover the school yard in 6 hours. How long will the job take using both mowers? (Round your answer to the nearest tenth.) Click here to see answer by Earlsdon(6287)

 Question 266025: Jack accepted a job to paint a new house. He calculated that he can complete the job in 30 hours. He hired a trainee to assist him. He has seen the trainee work and estimates that it the trainee working alone would take 45 hours to complete the job. How much time should the two of them working together need to paint the house? (Round your answer to the nearest tenth.) Click here to see answer by ptaylor(2048)

 Question 266260: how many litres of 3% of mixture must be added to 24 litres of 6% mixture to make a 4% mixture Click here to see answer by josmiceli(9671)

 Question 266418: A chemist obtain 18 grams of 10% saline solution from a mixture of 5% saline solution and a 15% saline solution. How much of the 15% saline solution is used in the mixture? Click here to see answer by checkley77(12569)

 Question 266453: A materials scientist has 6 lbs of a 40% silver alloy. How many pounds of pure silver must he mix with the entire 6 pounds of 40% alloy to obtain as much of a 62% alloy as he can? Click here to see answer by josmiceli(9671)
 Question 266453: A materials scientist has 6 lbs of a 40% silver alloy. How many pounds of pure silver must he mix with the entire 6 pounds of 40% alloy to obtain as much of a 62% alloy as he can? Click here to see answer by drk(1908)

 Question 266417: different shades of paint color are formed by mixing different percents of 2 or more primary colors such as blue and yellow. Suppose you want to paint your roof with a paint mixture that is 40% yellow and 60% blue. How many pints of pure 100% blue paint and 50% yellow and 50% blue paint mix should be combined to make 12 pints of a 40% yellow and 60% blue paint mix? Click here to see answer by patsrock12(1)
 Question 266417: different shades of paint color are formed by mixing different percents of 2 or more primary colors such as blue and yellow. Suppose you want to paint your roof with a paint mixture that is 40% yellow and 60% blue. How many pints of pure 100% blue paint and 50% yellow and 50% blue paint mix should be combined to make 12 pints of a 40% yellow and 60% blue paint mix? Click here to see answer by ankor@dixie-net.com(15649)

 Question 266495: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 35% antifreeze? Click here to see answer by ptaylor(2048)

 Question 266638: how much water must be evaporated from 32 ounces of a 4% salt solution to make a 6% slat solution? Click here to see answer by drk(1908)

 Question 266683: 1) What is the sum of all odd numbers upto 100? 2) A field is owned by 5 people.A has 3/7 of it and B has twice as much as C.What fractions of the field have B and C respectively? Click here to see answer by drk(1908)

 Question 267037: how many onces of a 40% alchol must be mixed with 12 onces of a 45% alcohol solution to make a 42% alcohol solution Click here to see answer by drk(1908)

 Question 266828: how many quarts of pure antifreeze must be added to 4 quarts of a 10% antifreeze solution to obtain a 20% antifreeze solution? Click here to see answer by ankor@dixie-net.com(15649)

 Question 267088: To make a 10 pound mix of M&M's and peanuts worth \$3.50 a pound, how many pounds of peanuts worth \$3 per pound should be mixed with M&M's worth \$4 per pound? I have tried; x=\$3x+\$4x x=7 7/10=3 1/2 10(7/10)=10*3 1/2 7=30*2 = 60/7 not even sure now how I got my answer, but I know it is wrong. Click here to see answer by scott8148(6628)
 Question 267088: To make a 10 pound mix of M&M's and peanuts worth \$3.50 a pound, how many pounds of peanuts worth \$3 per pound should be mixed with M&M's worth \$4 per pound? I have tried; x=\$3x+\$4x x=7 7/10=3 1/2 10(7/10)=10*3 1/2 7=30*2 = 60/7 not even sure now how I got my answer, but I know it is wrong. Click here to see answer by Alan3354(30993)

 Question 267284: how many kilograms of water must be evaporated from 40 kg of a 10% salt solution to produce a 25% salt solution? Click here to see answer by palanisamy(496)

 Question 267345: please solve a solution containing 30% juice is mixed with a solution containing 10% juice to make 100 gallons of solution that makes 12% juice.How much of the 30% solution was used? Click here to see answer by checkley77(12569)
 Question 267345: please solve a solution containing 30% juice is mixed with a solution containing 10% juice to make 100 gallons of solution that makes 12% juice.How much of the 30% solution was used? Click here to see answer by josmiceli(9671)

 Question 267282: A chemist wishes to mix some pure acid with some water to produce 16L of a solution that is 30% acid. How much pure acid and how much water should be mixed Click here to see answer by ankor@dixie-net.com(15649)

 Question 267615: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 50% antifreeze? Click here to see answer by ankor@dixie-net.com(15649)

 Question 267604: x-4 = -2/3(y-9) solve for y Click here to see answer by ankor@dixie-net.com(15649)

 Question 267703: How much pure water must be mixed with 5 pints of 60% developer to produce a mixture that is 28% developer? Click here to see answer by ankor@dixie-net.com(15649)

 Question 268025: A radiator contains 10 quarts of fluid, 25% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 55% antifreeze? (Round your answer to two decimal places.) Click here to see answer by josmiceli(9671)

 Question 266907: Find the average rate of change for the function between the given values. f(x) = 3/x+2; from 1 to 4 Click here to see answer by Alan3354(30993)

 Question 268065: how many gallons of 30% antifreeze solution and 60% antifreeze solution must be mixed to obtain 15 gallons of 42% antifreeze solution? _ gallons of 30% _ gallons of 60% Click here to see answer by richwmiller(9135)

 Question 268273: How many pounds of coffee worth \$1.80 a pound must be mixed with 15 pounds of coffee worth \$1.10 a pound to produce a mixure worth \$1.50 a pound? Click here to see answer by scott8148(6628)

 Question 268337: Ronald wants to sell his car through a broker who charges a commission of 10% of the selling price. Ronald still owes \$11,025 on the car. Ronald must get enough to at least pay off the loan. What is the range of the selling price? Click here to see answer by rfer(12657)

 Question 268364: Yolanda wants 14L of fruit punch that is 10% juice. At the store she finds punch that is 15% juice and punch that is 8% juice. How much of each should she purchase. Click here to see answer by mananth(12270)

 Question 268527: How much pure acid should be mixed with 9 gallons of a 50% acid solution in order to get an 80% acid solution? Click here to see answer by CharlesG2(828)

 Question 268539: How many liters of whole milk containing 3% butterfat must be mixed with cream containing 25% butterfat to obtain a mixture of 22 liters of cream containing 20% butterfat? Thank You Click here to see answer by CharlesG2(828)

 Question 268552: A large truck has a radiator capacity of 10 gallons. Currently the radiator is 20% antifreeze. How much fluid must be replaced with a 75% solution to bring the radiator up to 50% antifreeze? Click here to see answer by ptaylor(2048)

 Question 268834: adult fickets are 4.50. student tickets are 2.00. the total receipts for 1720 tickets was 5980.00. find the number of adult and student tickets sold. Click here to see answer by mananth(12270)

 Question 268790: How much 3.5% milk and 1.0% milk must be mixed to produce 220 gallons of 2.0% milk? Click here to see answer by checkley77(12569)

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