# Questions on Word Problems: Mixtures answered by real tutors!

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 Word Problems: Mixtures Solvers Lessons Answers archive Quiz In Depth

 Question 279799: If i have 100 gallons of X mixed with 40 gallons of Y. What is the percentage of Y (in my 140 gallons) Click here to see answer by stanbon(57223)

 Question 279858: A 10% salt solution is mixed with an 18% salt solution to obtain a 32 oz 15% solution. How many ounces of each are needed? Click here to see answer by josmiceli(9650)

 Question 280038: Ben nordstrom is developing film in his darkroom when he realizes he does not have the proper developer. He needs a mixture that is 20% developer, but he only has a mixture that is 90% developer. How much pure water must be mixed with 2 pints of 90% developer to produce the mixture he needs? Click here to see answer by Alan3354(30965)

 Question 280260: Mary bought two computers, one desktop and one laptop. Before finance charges, the laptop cost more than the desktop. Mary paid for the computers using two different financing plans. For the desktop the interest rate was per year, and for the laptop it was per year. The total finance charges for one year were . How much did the desktop computer cost before finance charges? Click here to see answer by richwmiller(9135)

 Question 280418: A radiator holds 6 liters. how much of the 20% antifreeze solution should be drained & replaced with pure antifreeze to bring the solution up to 50% antifreeze? Click here to see answer by richwmiller(9135)

 Question 280374: A pharmist wishes to mis a solution that is 5% Minoxidil. She has on hand 80ml of a 2% solution and wishes to add some 7% solution to obtain the desired 5% solution. How much 7% solution should she add? Click here to see answer by checkley77(12569)

 Question 280583: A coffee store will start selling a mix of two kinds of coffee: Kona and Mexican Organic. The price of Kona coffee is \$7.50 per pound and the price   of Mexican Organic coffee is \$8.30 if they are sold separately. The store wants the price of the mix to be \$8.00 per pound.   How many pounds of each kind should be used to prepare 160 pounds of the mix?   Click here to see answer by oberobic(2304)

 Question 280702: How many liters of water must be added to 7 liters of a 20% acid solution to obtain a 10% acid solution? Click here to see answer by oberobic(2304)
 Question 280702: How many liters of water must be added to 7 liters of a 20% acid solution to obtain a 10% acid solution? Click here to see answer by richwmiller(9135)

 Question 280713: How many liters of a 40% acid solution must be added to 12 liters of a 20% solution to obtain a 25% solution? 30 Click here to see answer by marz(1)
 Question 280713: How many liters of a 40% acid solution must be added to 12 liters of a 20% solution to obtain a 25% solution? 30 Click here to see answer by Alan3354(30965)

 Question 280773: how much water should be added to 30gallons of a solution that is 70% antifreeze in order to get a mixture that is 60% antifreeze? thank you Click here to see answer by Alan3354(30965)
 Question 280773: how much water should be added to 30gallons of a solution that is 70% antifreeze in order to get a mixture that is 60% antifreeze? thank you Click here to see answer by Grinnell(63)

 Question 280767: a peanut co. wants to mix 20lbs. of peanuts worth \$3 a lb. with cashews worth \$5 a lb. in order to make a a mix worth \$3.50 a lb. how many lbs. of cashews should be added to the peanuts? Click here to see answer by richwmiller(9135)

 Question 280774: What quantity of 70 per cent acid solution must be mixed with a 30 solution to produce 1080 mL of a 50 per cent solution? Click here to see answer by oberobic(2304)

 Question 280877: How many liters of pure water must be added to 12 L of a(n) 73% salt solution to dilute it to a 55% salt solution? (Round answer to the nearest tenth of a liter) Click here to see answer by richwmiller(9135)

 Question 280927: How many gallons of 20% saline solution should be mixed with 12 gallons of pure water to make a 15% saline? Click here to see answer by checkley77(12569)

 Question 281398: the radiator in my car holds two gallons. I have some pre-mixed 60% and 30% antifreeze solution in my garage. how much of each should i use to fill my radiator with 50% antifreeze solution? Click here to see answer by richwmiller(9135)

 Question 281534: How do you solve: Jeff wants to make 30 gallons of a 42% alcohol solution by mixing a 30% alcohol solution with a 70% alcohol solution. How many gallons of each solution does he need? Thank you! Click here to see answer by richwmiller(9135)

 Question 281530: How do you solve: How many gallons of 25% alcohol solution should be mixed with 6 gallons of 5o% alcohol solution to obtain a 30% alcohol solution? Thank you! Click here to see answer by Mathematicians(84)

 Question 281855: IF a cold-water faucet is left on, the sink will fill in 10 mins. If the hot-water faucet is left on, the sink will fill in 12 mins. How long would it take the sink to fill if both faucets are left on? Click here to see answer by mananth(12270)
 Question 281855: IF a cold-water faucet is left on, the sink will fill in 10 mins. If the hot-water faucet is left on, the sink will fill in 12 mins. How long would it take the sink to fill if both faucets are left on? Click here to see answer by richwmiller(9135)

 Question 282111: Radius of a sphere. The radius of a sphere is given by r = (0.75v / 3.17)1/3 the formula where V is its volume. Find the radius of a spherical tank that has a volume of 32 (3.17) / 3 cubic meters. Click here to see answer by checkley77(12569)

 Question 282502: Container A holds a solutions that is 12% acid and container B holds a solution that is 25% acid. How much of each solution should one use to form 7 liters that is 15% acid ? Click here to see answer by ptaylor(2048)

 Question 282450: a paint mixture contains 7 gallons of base for every gallon of color. in 280 gallons of paint, how many gallons of color are there 245 140 35 93 Click here to see answer by ptaylor(2048)

 Question 282519: Two different chemicals are to be mixed, Chemical 1 is 25% citrate acid, and Chemical 2 is 37% ascorbic acid. A 24 milliliters of mixture solution is desired with 30% of acid in it. Click here to see answer by dabanfield(803)

 Question 282535: Two different chemicals are to be mixed, Chemical 1 is 25% citrate acid, and Chemical 2 is 37% ascorbic acid. A 24 milliliters of mixture solution is desired with 30% of acid in it. Click here to see answer by richwmiller(9135)

 Question 282968: how much water should be added to a radiator that contains 10 gallons of an 80% solution antifreeze solution to dilute it to a 50% antifreeze solution? Click here to see answer by richwmiller(9135)

 Question 282915: A landscaper combines 4 gallons of a 97% gasoline and 3% oil mix with 1/2 gallon of a 98.5% gasoline and 1.5% oil mix. What percent of the combined mixture is gasoline? Click here to see answer by Deina(147)

 Question 283127: A farmer wants to mix a liquid fertilizer that contains 2% nitrogen with one that contains 10% nitrogen to obtain 40 gallons of a fertilizer that contains 8% nitrogen. How many gallons of each fertilizer should be used? Click here to see answer by richwmiller(9135)
 Question 283127: A farmer wants to mix a liquid fertilizer that contains 2% nitrogen with one that contains 10% nitrogen to obtain 40 gallons of a fertilizer that contains 8% nitrogen. How many gallons of each fertilizer should be used? Click here to see answer by oberobic(2304)

 Question 283484: I have been looking over mixture problems, and am quite comfortable solving 2 ingredient formulas, but I do not know the procedure if there are MORE than 2 ingredients. Example: Candy A costs \$2.00 lb & sells for \$2.75 Candy B costs \$3.25 lb & sells for \$4.95 Candy C costs \$2.25 lb & sells for \$3.50 Candy D costs \$1.00 lb & sells for \$1.50 Create a mixture using all 4 candies that will sell for \$3.95 while maximizing profits. Click here to see answer by richwmiller(9135)
 Question 283484: I have been looking over mixture problems, and am quite comfortable solving 2 ingredient formulas, but I do not know the procedure if there are MORE than 2 ingredients. Example: Candy A costs \$2.00 lb & sells for \$2.75 Candy B costs \$3.25 lb & sells for \$4.95 Candy C costs \$2.25 lb & sells for \$3.50 Candy D costs \$1.00 lb & sells for \$1.50 Create a mixture using all 4 candies that will sell for \$3.95 while maximizing profits. Click here to see answer by Deina(147)

 Question 283565: the store sells cashews for 6.00 per pound and peanuts for 3.00 per pound the manager decides to mix 60 pounds with some cashews and sell the mixture for 4.oo per pound how many pounds should be mixed with the cashews to produce the same revenue. I keep getting this wrong. Click here to see answer by scott8148(6628)

 Question 283740: Sarah decided to make a 20 lb mix of coffee. she is going to blend a coffee worth 20.00 per pound with a coffee worth 28.oo per pound. how much of each coffee type should she use to create a new blend that cost 22.00 pre pound. thanks for your help. Click here to see answer by stanbon(57223)

 Question 283738: please help with this problem a 10% acid solution is to be mixed with a 50% acid solution in order to get 120 ml of a 20% acid solution. how many ml of the 10% solution and 50% should be mixed? Click here to see answer by oberobic(2304)
 Question 283738: please help with this problem a 10% acid solution is to be mixed with a 50% acid solution in order to get 120 ml of a 20% acid solution. how many ml of the 10% solution and 50% should be mixed? Click here to see answer by richwmiller(9135)

 Question 283886: complete the square for the binomial x^2 + 6x then write the resulting perfect square trinomial. Click here to see answer by richwmiller(9135)

 Question 283890: Could somebody please explain to me *clearly* how to solve mixture problems? I've been trying to figure them out, but I just don't understand all of it. For example, how would you set up an equation for a problem like this? 2.) Brianna has 2 pounds of brand 176 nuts that sell for \$3 a pound. She also has brand 391 nuts that sell for \$1.74 a pound. If she wants a mixture of nuts that sell for \$2.58 a pound, how many pounds of brand 391 should she add? How do you come to that conclusion? Please help! :) Click here to see answer by richwmiller(9135)
 Question 283890: Could somebody please explain to me *clearly* how to solve mixture problems? I've been trying to figure them out, but I just don't understand all of it. For example, how would you set up an equation for a problem like this? 2.) Brianna has 2 pounds of brand 176 nuts that sell for \$3 a pound. She also has brand 391 nuts that sell for \$1.74 a pound. If she wants a mixture of nuts that sell for \$2.58 a pound, how many pounds of brand 391 should she add? How do you come to that conclusion? Please help! :) Click here to see answer by Alan3354(30965)
 Question 283890: Could somebody please explain to me *clearly* how to solve mixture problems? I've been trying to figure them out, but I just don't understand all of it. For example, how would you set up an equation for a problem like this? 2.) Brianna has 2 pounds of brand 176 nuts that sell for \$3 a pound. She also has brand 391 nuts that sell for \$1.74 a pound. If she wants a mixture of nuts that sell for \$2.58 a pound, how many pounds of brand 391 should she add? How do you come to that conclusion? Please help! :) Click here to see answer by solver91311(16868)

 Question 284191: Each serving of Rice Krispies contains 2g of protein and 25g of carbs. Each serving of Grapenuts contains 3g of protein and 23g of carbs. How many servings of each would it take to get exactly 23g of protein and 215g of carbs? I can't figure out the 2 algebraic equations to use to find the answer to the problem. Click here to see answer by stanbon(57223)

 Question 284669: Mow many quarts of oil must be added to 18 quarts of a mixture that is 65% oil to make a mixture that is 85% oil? Click here to see answer by richwmiller(9135)

 Question 284774: How much water must a landscaper add to a 10% solution of selective herbicide to create 5 gallons of 4% solution? How much of the 10% solution did the landsccaper have before he added the water? Click here to see answer by stanbon(57223)
 Question 284774: How much water must a landscaper add to a 10% solution of selective herbicide to create 5 gallons of 4% solution? How much of the 10% solution did the landsccaper have before he added the water? Click here to see answer by richwmiller(9135)

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