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

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 Word Problems: Mixtures Solvers Lessons Answers archive Quiz In Depth

 Question 272370: the difference between a number and 15 is 7. find the number. Click here to see answer by Edwin McCravy(8908)
 Question 272370: the difference between a number and 15 is 7. find the number. Click here to see answer by Alan3354(30993)

 Question 272383: How many gallons of a 20% antifreeze solution and a 10% antifreeze solution must be mixed to obtain 40 gallons of a 16% antifreeze solution? Click here to see answer by checkley77(12569)

 Question 272438: How many ounces of a 20% alcohol solution must be mixed with 15 ounces of a 25% alcohol solution to make a 23% alcohol solution? Click here to see answer by oberobic(2304)

 Question 272568: in a chemistry class, a 4% silver iodide solution must be mixed with a 10% solution to get 12 liters of a 6% solution. how many liters of the 10% solution are needed? Click here to see answer by oberobic(2304)

 Question 272631: How many quarts of pure antifreeze must be added to 6 quarts of a 10% solution to obtain a 20% antifreeze soltuion? (Round to the nearest tenth.) Click here to see answer by mananth(12270)

 Question 272694: A solution of 9% is mixed with a solution of 30% to form an 18% solution. How many of each solution should be used to form 21 liters of the 18% solution? Click here to see answer by mananth(12270)

 Question 272877: A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 11% cement should he mix with 8 bags of 13% of cement to produce a mix containing 12% cement. I tried setting up a table based of the example in my text book and I still can't get it to work. Thanks Click here to see answer by scott8148(6628)

 Question 272888: How much 35% copper alloy should be melted with 37 kg of 75% copper alloy to produce an alloy which is 50% copper. If necessary round your answer to the nearest tenth. Click here to see answer by checkley77(12569)

 Question 272808: An automobile radiator is full of a 20% antifreeze solution. If its capacity is 12 quarts, how many quarts must be replaced by a 95% solution to give 12 quarts of a 70% solution? Click here to see answer by ankor@dixie-net.com(15649)

 Question 273178: Two kinds of candy sell for 30 pesos and 40 pesos per kilo. How many kilos of each should be used to make 20 kilos of a mixture to sell for 35 pesos per kilo? Click here to see answer by checkley77(12569)

 Question 273214: Four liters of a 25% cleaning solution is mixed with a 65% solution to achieve a 45% solution? How much of teh 65% solution is needed? Click here to see answer by stanbon(57337)

 Question 273484: a solution that is 90% alcohol is to be mixed with one that is 40% alcohol. the chemist is preparing 100 liters of a 60% alcohol solution. How many liters of each must he use? Click here to see answer by bobdabuildr(27)

 Question 273265: The Beans Cost per pound \$2.00 and number of pounds is 7 Dried Tomatos \$6.00 number of pounds is 1 i need the formula and cost of mixture Click here to see answer by colliefan(239)

 Question 273772: How many liters of water must be evaporated from 10 L of a 40% salt solution to produce a 50% solution? Click here to see answer by ankor@dixie-net.com(15649)

 Question 273788: A cough medicine contains 25% alcohol. How much liquid should a pharmacists add to 120 milliliters of the cough medicine so that it contains only 20% alcohol? Click here to see answer by stanbon(57337)

 Question 273855: A mixture of 16% disinfectant solution is to be made from 20% and 14% disinfectant solutions. How much of each solution should be used in 15 gallons of the 16% solution is needed. Click here to see answer by checkley77(12569)

 Question 273869: James mixed together 8L of Brand A fruit drink and 2L of Brand B fruit drink which contains 10% fruit juice. Find the percent fruit juice in Brand A if the mixture contained 34% fruit juice. I tried this: Let X=percent of fruit juice in Brand A. Brand A: .10(2L) Brand B: 8L(X) Both: .34 I tried converting the percentages to decimals. Then I did this: 8LX+.1(2L)=.34 8LX+.2L=.34 I got stuck here but I think that I had gotten much of it wrong in terms of solving it. Click here to see answer by scott8148(6628)

 Question 274164: How many liters of a mixture containing 70% alcohol should be added to a mixture containing 20% alcohol to obtain 16L of a mixture containing 50% alcohol? Click here to see answer by fractalier(2101)

 Question 274400: how many ounces of a 35% alcohol solution must be mixed with 17 ounces of a 40% alcohol solution to make 36% alcohol solution? I just a formula to calculate this please! Thank you for ur help! Click here to see answer by stanbon(57337)

 Question 274491: 1000 Litre milk contains some percent milk and some percent water. Now add some 70 Litre water to the above mixture. What is the percentage of water in the mixture? Click here to see answer by chashmish(8)

 Question 274616: A pharmacist is to prepare a 50 fluid ounce solution that contains 54% glucose. The pharmacy has a 30% solution and a 90% solution on hand. How many ounces of each solution should be mixed to prepare the desired prescription? Thank You Click here to see answer by stanbon(57337)

 Question 274705: how many gallons of a 50% antifreeze soltuion must be mixed with 70 gallons of 15% antifreeze to get a mixture that is 40% antifreeze Click here to see answer by scott8148(6628)
 Question 274705: how many gallons of a 50% antifreeze soltuion must be mixed with 70 gallons of 15% antifreeze to get a mixture that is 40% antifreeze Click here to see answer by checkley77(12569)

 Question 274675: A meat market manager mixes hamburger having 30% fat content with ground round that has 10% fat content in order to obtain 400 pounds of meat with 25% fat content. How much beef of each type should the manager use? Thank you Click here to see answer by checkley77(12569)

 Question 274813: a solution is made up of 40 grams sugar and 200 grams of water. how many grams of sugar shoud be added to make 60% sugar solution Click here to see answer by dabanfield(803)

 Question 274910: A coffee shop mixes French roast coffee worth \$9 per pound with Kona coffee worth \$4 per pound. How much of each type of coffee was used in order to obtain 20 pounds of a mixture worth \$5 per pound. Thank You Click here to see answer by checkley77(12569)

 Question 274851: An environmental group estimates that the amount of pollution in a pond will decrease by 10% each month. To determine the concentration C, of pollutants (in parts per million) after (m) months, the group uses the function. a) to the nearest tenth, what will be the concentration of pollutants in the pond in 5 years? b) what was the initial concentration of pollutants in the pond? Click here to see answer by checkley77(12569)

 Question 274846: Use a proportion to solve each problem The tax on a property with an assessed value of \$65,000 is \$720. Find the tax on a property with an assessed value of \$162,500 Click here to see answer by checkley77(12569)

 Question 275174: How many liters of a 10% alcohol solution myst be mixed with 10L of a 4% solution to get a 6% solution? I set the problem up as .04(10)+.10x=.06 I ended up with -3.4 , this cannot be. What am I doing wrong? Thanks so much for your time. Sincerely, Tiffany Eakin Click here to see answer by ankor@dixie-net.com(15649)

 Question 275342: how many pounds of coffee worth \$8.00 should be added to 10 pounds of coffee worth \$5.00 a pound to get a mixture worth \$6.00 a pound Click here to see answer by stanbon(57337)
 Question 275342: how many pounds of coffee worth \$8.00 should be added to 10 pounds of coffee worth \$5.00 a pound to get a mixture worth \$6.00 a pound Click here to see answer by dabanfield(803)

 Question 275619: A chemist needs a 20% solution of alcohol. How many liters of a 10% alcohol solution must be mixed with 90 liters of a 40% solution to get a 20% solution? Click here to see answer by CharlesG2(828)

 Question 275677: If I am going to drive 1,665 miles with the cost of gas being \$3.00 per gallon.. how much would it cost for the entire trip. getting around 23 miles per gallon. Click here to see answer by richwmiller(9135)

 Question 275795: Beth wants to make 11.6 fl. oz. of a 45% acid solution by mixing together a 22% acid solution and a 80% acid solution. How much of each solution must she use? Click here to see answer by mananth(12270)

 Question 275845: I'm having problems coming up with an equation to this mixture problem, perhaps you can help (you guys are awsome!) Two different teas are mixed to make a blend that will be sold at a fair. Black tea is sells for \$2.20 per pound, and orange pekoe tea sells for \$3.00 per pound. How much of each shoould be used to obtain a 4 pound of a blend selling for \$2.50? I have tried 2.5 + 3 + = 4(2.5) + 2x, but having trouble. Thanks for your help Alex avargas91702@hotmail.com Click here to see answer by ankor@dixie-net.com(15649)

 Question 275882: Fred mixes snack mix with mixed nuts to make trail mix. The snack mix is 10% peanuts; the mixed nuts are 35% peanuts. How many ounces of each should he combine to make 8 ounces of trail mix that is 20% peanuts? Click here to see answer by josmiceli(9674)

 Question 276031: i bought a 12 ounce package of strawberries for \$1.70. what was the price per pound for the strawberries? Click here to see answer by richwmiller(9135)

 Question 276335: A 6-ft. board is cut into 2 pieces so that one piece is 2 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lenghts of both pieces. Thank you! Click here to see answer by solver91311(16877)

 Question 276433: if one person can do a job in 8 hours, and two people working together can do it in 6 hours, how long would it take the second person to do it alone? Click here to see answer by oberobic(2304)

 Question 276432: if it takes 10 hours to fill a pool and 20 hours to drain it, how long will it take to fill it if the drain is open? Click here to see answer by mananth(12270)

 Question 276407: How many kgs of salt must be added to 24 kg of 20% salt solution in order to increase the concentration of salt to 40%? Click here to see answer by mananth(12270)

 Question 276530: How many ounces of a 20% saline solution must be added to 40 ounces of a 10% solution to produce a 16% solution? Click here to see answer by stanbon(57337)

 Question 276675: How many liters of a 70% alcohol solution must be mixed with 30 liters of a 15% alcohol solution to obtain a solution that is 60%? Click here to see answer by Earlsdon(6287)

 Question 276605: how many gallons of 50% antifreeze solution must be mixed with 90 gallons of 30% antifreeze to get a muxture that is 40% antifreeze? Click here to see answer by scott8148(6628)

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