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Question 910835: a chemist needs 16 liters of a 15% solution. she has two saline solutions with strength 12% and 20%. find the amount of 12% solution and the amount of 20% solution she should add to get 16 liters of a 15% solution.
Click here to see answer by richwmiller(17219)

Question 910790: if I can get $9 per pound and I have 2,833 pounds how much can I get?
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Question 910976: If 24% equals 480 quarts. How many quarts are in 100% ?
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Question 910976: If 24% equals 480 quarts. How many quarts are in 100% ?
Click here to see answer by MathLover1(20850)

Question 910991: I have pure silver 1300 gms. I have mixture(x) 65% silver( + 35 % other metals).How many gms of (x) to be added with pure silver (1300 gms) to get 73 % of new mixture?
Click here to see answer by richwmiller(17219)

Question 911016: Hey there, I am looking for answers to these questions to review with my peers, thank you.
A butcher has some hamburger that is 19% fat and some that is 10% fat. How many pounds of each should be mixed to make 87 lb of hamburger that is 13% fat?
19% fat _________ ib
10% fat _________ ib

Click here to see answer by richwmiller(17219)

Question 911160: how many pounds of coffee worth 10$ a pound should be added to 20 pounds of coffee worth 4$ a pound to get a mixture worth 5$ a pound
Click here to see answer by ewatrrr(24785)

Question 911156: A radiator contains 5 quarts of fluid, 40% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 50% antifreeze? (Round your answer to two decimal places.)
Click here to see answer by ewatrrr(24785)

Question 911240: How many pounds of salted nuts selling for $1.40 per pound should be mixed with 6 pounds of salted nuts selling for $2.60 per pound to obtain a mixture selling for $2.12 per pound?
Click here to see answer by ewatrrr(24785)

Question 911241: How many gallons of a 50% alcohol solution must be mixed with 30 gallons of an 18% solution to obtain a solution that is 40% alcohol?

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Question 911246: if you have 50 % acetone and 80% acetone and you're trying to make 12 liters of 50% acetone how much of each solution do you need?
Click here to see answer by ewatrrr(24785)

Question 911239: How many pounds of coffee beans selling for $2.20 per pound should be mixed with 4 pounds of coffee beans selling for $3.00 per pound to obtain a mixture selling for $2.52 per pound?
Click here to see answer by richwmiller(17219)

Question 911208: How much candy priced at $2.50 per pound must be mixed with candy priced at $3.50 per pound to create 100 pounds of mixed candy selling at $2.90 per pound?
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Question 911309: PLEASE HELP ME PLEASE.
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Question 911304: PLEASE HELP ME PLEASE.
The perimeter fence of a rectangular community park is 310 m. Its length is 10 meters less than twice its width. Find the dimensions of a park if it will be tripled?
Click here to see answer by ewatrrr(24785)

Question 911345: How much pure copper must be added to 50 kg of an alloy containing 12% copper to raise the copper content to 21%?
Click here to see answer by lwsshak3(11628)

Question 911345: How much pure copper must be added to 50 kg of an alloy containing 12% copper to raise the copper content to 21%?
Click here to see answer by josmiceli(19441)

Question 911360: A radiator contains 15 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 45% antifreeze? (Round your answer to two decimal places.)
Click here to see answer by richwmiller(17219)

Question 911361: A train leaves New York for Boston, 200 miles away, at 5:00 P.M. and averages 40 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and averages 40 mph. At what time will the trains meet? (Round to the nearest minute.)
Click here to see answer by richwmiller(17219)

Question 911425: Hector is performing a chemistry experiment that requires 140 mL of a 30% copper sulfate solution. he has a 25% copper sulfate solution and a 60% copper sulfate solution. How many milliliters of each solution Gould he mix to obtain the needed solution?
Click here to see answer by richwmiller(17219)

Question 911448: A radiator contains 7 quarts of fluid, 40% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 50% antifreeze? (Round your answer to two decimal places.)
Click here to see answer by josgarithmetic(39617)

Question 911461: two trains are 5000 ft. apart, heading tower each other, but on separate parallel straight tracks. Train A is traveling at 45 miles per hour and train B is traveling at 24 miles per hour.
a. change 45 miles per hour and 24 miles per hour into feet per second
66ft per second and 35.2 ft per second
b. About how far will each train travel before they meet?
***Please help with the equation I need to use.
c. In how may seconds will Train A and Train B meet?
***Please help with the equation I need to use.
Thank you.
Click here to see answer by richwmiller(17219)

Question 911502: If one solution is 20% acid and another 50% acid, then how many liters of each must be mixed to get 20 liters of solution that is 40% acid?
Click here to see answer by richwmiller(17219)

Question 911100: A chemist needs 130 ml of a 31% acid solution, but has only 7% and 46% solutions available. How many ml of the 46% solution should be added to get the desired solution?
Click here to see answer by richwmiller(17219)

Question 911511: How many liters of a 8% salt solution must be mixed with 18 liters of a 32% salt solution to obtain a 20% salt solution
Click here to see answer by richwmiller(17219)

Question 911585: A chemist needs 90 milliliters of a 20% solution but only has only 4% and 40% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
Click here to see answer by richwmiller(17219)

Question 911579: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is
40%
salt and Solution B is
65%
salt. She wants to obtain
100
ounces of a mixture that is
50%
salt. How many ounces of each solution should she use?
Click here to see answer by josmiceli(19441)

Question 911642: A radiator contains 5 quarts of fluid, 10% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 50% antifreeze?
Click here to see answer by josgarithmetic(39617)

Question 911656: A radiator contains 11 quarts of fluid, 40% 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 ewatrrr(24785)

Question 911730: How many liters of 70 percent alcohol must be mixed with 150 liters of 10 percent alcohol to make a mixture that is 50 percent alcohol
Click here to see answer by richwmiller(17219)

Question 911738: A radiator contains 15 quarts of fluid, 10% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 30% antifreeze? (Round your answer to two decimal places.)
Click here to see answer by richwmiller(17219)

Question 911695: A radiator contains 12 quarts of fluid, 35% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 60% antifreeze? (Round your answer to two decimal places.)
Click here to see answer by richwmiller(17219)

Question 911799: How many tin and how much lead must be added to 700 pounds of an alloy containing 50% tin and 25% lead to make an alloy which is 60% tin and 20% lead?
Click here to see answer by josgarithmetic(39617)

Question 911975: how many gallons of 1/2% milk [1/2% fat]should be mixed with 24 gallons of 2% milk [2% fat to produce a mixture that is 1% fat
Click here to see answer by richwmiller(17219)

Question 912067: Could you please help me solve this word problem?
- A chemist wants to mix a 19% acid solution with a 40% acid solution to get 14 L of a 34% acid solution. How many liters of the 19% solution and how many liters of the 40% solution should be mixed?
Click here to see answer by ewatrrr(24785)

Question 912083: How much of a 30% mixture of fertilizer to be mixed w 70% fertilizer to get 40gallons of 60% fertilizer...how much 30% and how much 70%?
Click here to see answer by richwmiller(17219)

Question 912096: You are making a drink that requires 13 ounces of a 27-proof whiskey. Unfortunately, all you have on hand are 22-proof and 38-proof whiskey. How much of each type of whiskey do you need to mix to create 13 ounces of a 27-proof whiskey? The proof of an alcoholic beverage indicates the percentage of alcohol (ethanol) it contains. A 22-proof whiskey, for example, contains 44 percent alcohol by volume.

Click here to see answer by Alan3354(69443)

Question 912143: How many ounces of pure bran flakes must be added to�65�oz of cereal that is�21%�bran flakes to produce a mixture that is�35%�bran flakes?

Click here to see answer by richwmiller(17219)

Question 912351: 80ml of medicine was made from a mix of three parts of water to one part solution. how much solution was used?
Click here to see answer by lwsshak3(11628)

Question 912308: how many quarts of a 60% alcohol must be added to 40 quarts of a 20% alcohol solution to obtain a mixture which is 30% alcohol?
Click here to see answer by josgarithmetic(39617)

Question 912404: If Fran took 50 ml of a 25% solution how much of a 68% solution would she have to add to obtain to get a mixture of 43%
Click here to see answer by richwmiller(17219)

Question 912216: Question #1:
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Question 912459: How many liters of a 4% solution of sulphuric acid must be mixed with how many liters of a 10% solution of sulphuric acid in order to get 5 liters of an 8% solution of sulphuric acid?
Click here to see answer by ewatrrr(24785)

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