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 Word Problems: Mixtures Solvers Lessons Answers archive Quiz In Depth

 Question 430436: How many liters of water must be added to 50 L of a 30% acid solution in order to produce a 20% acid solution? Click here to see answer by robertb(4012)

 Question 430437: How many milliliters of water must be added to 60 mL of a 15% iodine solution in order to dilute it to a 10% solution? Click here to see answer by robertb(4012)

 Question 430486: the radiator in a certain make care needs to contain 40 liters of 40% antifreeze. the radiator now contains 40 liters of 20% antifreeze. how many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength? Click here to see answer by stanbon(57307)

 Question 430500: which one of the following is a better buy: a 16 inch pizza for \$14 or two 10 inch pizzas for \$13.00 ? Click here to see answer by rosey51235(25)
 Question 430500: which one of the following is a better buy: a 16 inch pizza for \$14 or two 10 inch pizzas for \$13.00 ? Click here to see answer by ewatrrr(10682)

 Question 430499: molly has \$12.30 in coins. she has four more nickels than dimes. she has 6 fewer quarters than dimes. how many quarters does she have? Click here to see answer by clarinetgirlM(1)

 Question 430504: Tim was told by his boss to combine all the bleach solutions into one bucket. When he poured all the solutions into the bucket he ended up with 2 gallons of bleach solution. What is the final concentration of the combined solution given the following information? Bottle #1: 8 cups of 2% bleach solution. Bottle #2: 5 cups of 3% bleach solution. Bottle #3: 10 cups of 1.8% bleach solution. Bottle #4: 9 cups of 2.5% bleach solution. Click here to see answer by ankor@dixie-net.com(15649)

 Question 430619: How much pure gold should be melted into 5 grams of a 62% gold alloy to make it an 85% gold alloy? Click here to see answer by stanbon(57307)

 Question 430647: Gina has a pile of 50 dimes and nickels worth \$4.30. How many coins of each type does she have? Click here to see answer by josmiceli(9671)

 Question 430882: A goldsmith has 80g of an alloy that is 50% pure gold. How many grams of an alloy that is 80% pure gold must be combined with the 80g of alloy that is 50% pure gold to form an alloy that is 72% pure gold? Click here to see answer by mananth(12270)

 Question 430941: If a mixture calls for 1 ounce of solution to one gallon of water, how much solution would you use if you are only using 1 liter of water? Click here to see answer by jorel1380(2518)

 Question 431211: I need to convert a paint that I bought that has 7% of the dye color I want but the shade I like best calls for only 3% dye color. How much pure white needs to be mixed with the 7% to get .7 gallons of the 3%dye paint. Click here to see answer by mananth(12270)

 Question 431344: Ann and Nancy use a metal alloy that is 17.3% copper to make jewelry. how many ounces of a 17% alloy must be mixed with a 18% alloy to form 80 ounces of the desired alloy? Click here to see answer by mananth(12270)

 Question 431392: the physician has ordered 75 ml a 1:30 solution of acetic acid. How would you prepare this solution from a 5% solution of acetic acid? explain in a clear sentence Click here to see answer by ewatrrr(10682)

 Question 431422: Katsumi applied for a credit card with a limit of \$1,000. When the application was approved, Katsumi bought a new CD player and speakers for \$975. The credit card company offered to ignore the finance charges if Katsumi makes the minimum monthly payment of \$15. How many months will Katsumi need to pay off the music system at this rate? Click here to see answer by Alan3354(30993)

 Question 431902: IF ONE LB =\$12.30 HOW MUCH IS ONE KG. I know that there is 2.204 pounds in one kg and conversely there is .45359 kg in one pound. Do I multiply \$12.30 by 2.204 or divide it by .45359? Click here to see answer by Alan3354(30993)

 Question 431830: what formula to use in order to solve the question: How many mL of pure alchohol are in a single cocktail made with 50 mL of 40% vodka? Click here to see answer by ankor@dixie-net.com(15649)

 Question 432037: A certain quantity of raisins contains 308 mg. of potassium. An equal amount of cranberries contains 44 mg. of potassium. A 400-gram mixture of the two is made that ends up containing 220 mg. of potassium. How many grams of raisins were used in the mixture? How many grams of cranberries were used? This is a method of elimination problem but I can't seem to eliminate anything successfully from the two equations that I found. Please help. Click here to see answer by jorel1380(2518)

 Question 432404: Karen walsh has twice as much money invested at 5% simple annual interest as she does at 4%. if her yearly income from these two investments is \$350, how much does she have invested at each interest rate? Click here to see answer by mananth(12270)

 Question 432501: How many liters of pure baking soda must be added to 180 liters of a 40% baking soda solution to get a 70% baking soda solution? Click here to see answer by josmiceli(9671)
 Question 432501: How many liters of pure baking soda must be added to 180 liters of a 40% baking soda solution to get a 70% baking soda solution? Click here to see answer by htmentor(789)

 Question 432628: what is the total weight of 120 grams + 900mls + 55grams+25grams Click here to see answer by edjones(7569)

 Question 432650: A grocery store sells certain candies in bulk. The Good and Plenty costs \$2.49 per pound ans Sweet Treats cost \$2.89 per pound. If Jane Stranges takes 3 scoops of Good and Plenty and mixes it with 5 scoops of Sweet Treats, How much per pound should the mixture sell for? Assume each scoop contained the same weight of the candy. Click here to see answer by jorel1380(2518)

 Question 432726: on june 8 1992 a crop circle with an 18- meter radius was found in a wheat field near Szekekfehervas, 43 miles southwest of Budapest. estimate its circumfrence Click here to see answer by Alan3354(30993)

 Question 432960: Tickets to a local movie were sold at \$5.00 for adults and \$3.50 for students. If 370 tickets were sold for a total of \$1415.00, how many adult tickets were sold? Click here to see answer by mananth(12270)
 Question 432960: Tickets to a local movie were sold at \$5.00 for adults and \$3.50 for students. If 370 tickets were sold for a total of \$1415.00, how many adult tickets were sold? Click here to see answer by Lstark01(4)

 Question 432958: how many liters of a 40% salt solution must be added to 4 liters of a 10% salt solution to obtain 30% solution? iam good at solving problems, I just have trouble setting them up. I honestly am not sure where to start on this problem. Click here to see answer by mananth(12270)

 Question 433042: the children in a family comprise both boys and girls. Each boy has as many brother as sisters, but each girl has half as many sisters as brothers. how many boys and how many girls are in the family Click here to see answer by stanbon(57307)
 Question 433042: the children in a family comprise both boys and girls. Each boy has as many brother as sisters, but each girl has half as many sisters as brothers. how many boys and how many girls are in the family Click here to see answer by Edwin McCravy(8908)

 Question 433222: how much pure water must be mixed with 4 pints of 80% developer to produce a mixture that is 23% developer? Click here to see answer by stanbon(57307)

 Question 433418: With the wind, the plane can fly 3000 miles in 5 hours. Against the same wind, the trip takes 6 hours. Find the airspeed of the plane. Click here to see answer by stanbon(57307)

 Question 433417: A nurse has a solution that is 25% alcohol and another that is 50% alcohol. How much if the 25% alcohol must she use to make 20 L of a solution that is 40% alcohol? Click here to see answer by stanbon(57307)

 Question 433505: A store sells cashews for \$5.00 per pound and peanuts for \$2.00 per pound. The manager decides to mix 10 pounds of peanuts with some cashews and sell the mixture for \$3.00 per pound. How many pounds of cashews should be mixed with the peanuts so that the mixture will produce the same revenue as would selling the nuts seperately? Click here to see answer by jorel1380(2518)

 Question 433599: Paul mixes nuts worth \$1.45 per pound with oats worth \$1.05 per pound to get 29 pounds of trail mix worth \$1.25 per pound. How many pounds of nuts and how many pounds of oats did he use? Click here to see answer by stanbon(57307)

 Question 433610: how many gallons of a 25% acid solution must be mixed with 100 gallons of a 6% acid solution to obtain a mixture that is 20% acid? Click here to see answer by stanbon(57307)

 Question 433614: Lisa will make punch that is 25% fruit juice by adding pure fruit juice to a 2-liter mixture that is 10% pure fruit juice. How many liters of pure fruit juice does she need to add? Click here to see answer by robertb(4012)

 Question 433582: one solution is 15% ammonia. A second solution is 40% ammonia. How many ounces of each should be used to make 100 ounces of a 20% ammonia solution? Click here to see answer by mananth(12270)

 Question 433981: 10 gallons of a 15.0% alcohol solution are to be mixed with a 28.0% alcohol solution to make a 20.0% alcohol solution. How many gallons of a 28.0% alcohol must be used? How many gallons of a 20.0% alcohol solution are made? Click here to see answer by mananth(12270)

 Question 434071: how many kilograms of pure alcohol must be added to 20 grams of a 10% alcohol solution to produce 50% Click here to see answer by Earlsdon(6287)

 Question 393982: My son has this problem on his math. I don't have any idea where to start. We really just need help figuring out what the equation is. We can take it from there. "There is a game at a fair in which you toss balls into a bowl to win fish. There are 52 bowls. The larger bowls contain 5 fish, and the smaller ones contain 3 fish. If there are 202 fish total, how many bowls of each size are there?" Click here to see answer by pavel111(1)

 Question 434100: a chemist wants to produce a 30% alcohol solution. how many liters of 20% and 50% solution should be mixed in order to get 12 liters of 30% solution? Click here to see answer by mananth(12270)

 Question 434357: You are staining a coffee table you just made. After testing some sample pieces of wood, you decide that you want a mix of yellow stain and red stain. You estimate that you want a mis that contains 75% of the yellow stain. You only have 1 pint that is made up of equal parts of the stain. How many pints of the yellow stain do you have to add to the current mixture? Click here to see answer by solver91311(16877)

 Question 434356: The Fibonacci sequence follows the pattern 1,1,2,3,5,8,13,21,34,55,....which of the following numbers is part of the fibonacci sequence? F.233 G 378 H 612 J 988 Click here to see answer by robertb(4012)

 Question 434395: A chemist would like to produce a 30% alcohol solution. How many liters of 20% and 50% solution should be mixed in order to get 12 liters of 30% solution? Click here to see answer by robertb(4012)

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