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

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 Word Problems: Mixtures Solvers Lessons Answers archive Quiz In Depth

 Question 606614: A 5-quart solution of sulfuric acid and water is 60% acid. If a gallon of water is added, what percent of the resulting solution is acid? A)3% B)33 1/3% C)40% d)48% E)50% Click here to see answer by ankor@dixie-net.com(16523)

 Question 606893: A beaker contains 20mL of a solution that is 12% cetyl alcohol, a moisturizer often found in shampoo. How much of a solution that is 45% CEA should be added, so that the final mixture is 30% CEA? Click here to see answer by stanbon(60771)

 Question 606882: 2 m³ of soil containing 35% sand was mixed into 6 m³ of soil containing 15% sand. What is the sand content of the mixture? Click here to see answer by Alan3354(34677)

 Question 606984: how many ml of that is 10% alcohol must be added to a 500 ml wine of 5% alcohol to make a wine that is 7.5% alcohol? Click here to see answer by mananth(13127)

 Question 607053: how many ounces of 5% alcohol solution must be mixed with 16 ounces of 10% alcohol solution to make a 7% alcohol solution? Click here to see answer by lwsshak3(7678)

 Question 607091: How much 87-octane gas and 93-octane gas should Kelsey mix in order to make 12 gal of 91-octane gas for her Legacy? Click here to see answer by scott8148(6628)

 Question 607101: Could you show me how to work this problem step by step. How many liters are in 60 ounces Click here to see answer by Alan3354(34677)

 Question 606963: How many quarts if a 40% alchohol solution must be mixed with 3 quarts of pure water to make a 28% solution? This is what I am doing but I am getting a negative answer: (3*1)+(x*.3)=(3+x*.28) Click here to see answer by ankor@dixie-net.com(16523)

 Question 607291: There’re three brand of fertilizers A, B, and C. Following is a table of the amount of nitrogen, phosphorus, and potassium in a box of each brand (in lb). Brand A B C N 1 2 2 P 2 1 2 K 2 2 1 How many boxes of each brand are needed in order to make a mixture that contains 6 lb of nitrogen, 6 lb of phosphorus and 7 lb of potassium? Click here to see answer by LisaJ(11)

 Question 607463: Jelly is 14% protein Peanut butter is 7 % protein what is 140 lbs mixture that is 11% protein Click here to see answer by richwmiller(10276)

 Question 607539: 100L of a drink that is 28% fruit juice is mixed with a drink that is 40% fruit juice to make a drink that is 36% juice. How many liters of 40% fruit juice should be mixed and how many liters is the 36% juice mixture? Click here to see answer by alicealc(281)

 Question 607580: How many gallons each of 25% and 35 % alcohol should be mixed to obtain 20 gallons of 32% alcohol? Here's what I think it is. I need to know if I understand this. 35%= x 25% = 20-x .25(20-x) + .35x = .32(20) 5 -.25x + .35x = 6.4 5 + .1x = 6.5 .1x = 1.4 x = 14 gallons of 35% and 6 gallons of 25% equals 20 gallons of 32%. Am I understanding how to do this correctly? Thanks Click here to see answer by scott8148(6628)

 Question 608055: How many cups of grapefruit juice must be added to 20 cups of a punch that is 10% grapefruit juice to obtain a punch that is 25% grapefruit juice? You will impress me extra, if you include your work. Hint: you do not end with twenty cups of punch. Click here to see answer by scott8148(6628)
 Question 608055: How many cups of grapefruit juice must be added to 20 cups of a punch that is 10% grapefruit juice to obtain a punch that is 25% grapefruit juice? You will impress me extra, if you include your work. Hint: you do not end with twenty cups of punch. Click here to see answer by josmiceli(10616)

 Question 608218: mary is using a 2oz cup to fill a 1gallon thermmos with milk how many times will mary need to fill the cup show me the work Click here to see answer by solver91311(18785)

 Question 608306: Cannot use calculator in class what is the best way to work out (0.08)4power Click here to see answer by stanbon(60771)

 Question 608336: can some one help me solve this problem? A chemistry experiment requires 60 mL of a 40% alcohol solution. the lab has an 80% alcohol solution and a 30% alcohol solution. how many mL of the two solutions should be mixed to obtain 60 mL of a 40% alcohol solution? Click here to see answer by stanbon(60771)

 Question 608429: A chemist has 500 liters of a 60% solution of silver nitrate. How many liters of a 30% silver nitrate solution should be added to obtain a 50% solution. Click here to see answer by nerdybill(7090)

 Question 608433: How many liters of a 75% acid solution must be added to 30 liters of a 15% acid solution to produce a 50% solution. Click here to see answer by nerdybill(7090)

 Question 608442: what will be volume if we convert 20 percent 20 ml sugar solution into 15 percent sugar solution ?? Click here to see answer by lwsshak3(7678)

 Question 608762: Why does is gravity on earth it would be better if we could bounce around thanks molly Click here to see answer by Alan3354(34677)
 Question 608762: Why does is gravity on earth it would be better if we could bounce around thanks molly Click here to see answer by Edwin McCravy(9717)

 Question 608819: You have 2 mixtures of a saline solution that are 12% by volume, and 20% by volume. You need 6 gallons of a solution that is 18% by volume for an experiment. How much of the 12% and the 20% solutions should you mix together? Click here to see answer by mananth(13127)

 Question 608842: A photographer wants to mix 4 liters of 3% solution with a 10% solution to get a 7% solution. How many liters of 10% solution must be added? Click here to see answer by richwmiller(10276)

 Question 609069: A solution containing 30% insecticide is to be mixed with a solution contains 50% insecticide to make 200 L of a solution contains 42% insecticide. How much of each solution should be used? Click here to see answer by richwmiller(10276)

 Question 609196: a chemist must mix 6 liters of a 30% acid solution with some of an 80% solution to get a 50% acid solution. How many liters of the 80% solution should be used. I think I have the equation set up correctly: 0.80x + 0.30*6=0.50(x+5) but i honestly don't know how to go from there. Click here to see answer by ankor@dixie-net.com(16523)
 Question 609196: a chemist must mix 6 liters of a 30% acid solution with some of an 80% solution to get a 50% acid solution. How many liters of the 80% solution should be used. I think I have the equation set up correctly: 0.80x + 0.30*6=0.50(x+5) but i honestly don't know how to go from there. Click here to see answer by Alan3354(34677)

 Question 609155: find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 75 quarts of 5% butter milk? Click here to see answer by math-vortex(472)

 Question 609236: Andy paid \$1.40 for 4 grapefruits. How many grapefruits can he buy with \$2.10? Click here to see answer by rfer(13569)

 Question 609319: how many gallons of a 80% antifreeze solution must be mixed with 100 gallons of 10% antifreeze to get a mixture that is 70% antifreeze Click here to see answer by stanbon(60771)

 Question 609673: a swimming pool can be filling in 11 hours if a water enters through a pipe alone, or in 21 hours if water enters through a hose alone. If water enter through both the pipe and the hose, how long will it take to fill the pool? Click here to see answer by flame8855(424)

 Question 609880: I have a 35% solution and need a 3% solution. How much water do i add to obtain a 3% solution? Click here to see answer by stanbon(60771)

 Question 609986: One pipe can fill a tank in 5 hours. Together with a second pipe, the tank can be completely filled in 2 hours. If x is the amount of time for the second pipe to fill the tank alone, then what would the equation be used to solve for the time x Click here to see answer by scott8148(6628)

 Question 610152: A kid bought a slushy at Knott's Berry Farm a 9qt. of a 5% sugar solution was mixed with a 11qt. of the 45% sugar solution. What is the concentration of the mixture? Click here to see answer by flame8855(424)

 Question 610060: a chemist has 5 liters of a certain solution that is 70 percent salt. how much water should be added to make a new solution that is only 50% salt? Click here to see answer by flame8855(424)

 Question 610144: how many ounces of pure silver should be added to 80 ounces of 75% pure, to obtain a mixture of 80% pure ? Click here to see answer by flame8855(424)

 Question 610246: 300 gms of sugar solution contains 40% sugar. How much sugar should be added to make it 50% sugar solution? Click here to see answer by Earlsdon(6294)