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

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 Word Problems: Mixtures Solvers Lessons Answers archive Quiz In Depth

 Question 461715: pls help :) A.) nine points are placed on a circle. how many triangles can be formed using these points, three at a time, as verticies? Click here to see answer by richard1234(5390)

 Question 462568: Dont want the answer just need help on how to write this word problem five divided by the sum of a number and 9, minus the quotient of 3 and thedifference of the number and 9 is equal to 6 times the reciprocal of the difference of the number squard and 81. Click here to see answer by math-vortex(472)

 Question 455866: I bought coffee twice a day, it cost \$4.00 a cup, how much would I be spending in a 30-day month? Click here to see answer by jorel1380(2518)

 Question 456112: You need a 65% alcohol solution. On hand, you have a 360 mL of a 15% alcohol mixture. You also have 95% alcohol mixture. How much of the 95% mixture will you need to add to obtain the desired solution? You will need ? mL of the 95% solution to obtain ? mL of the desired 65% solution. Click here to see answer by jorel1380(2518)

 Question 456116: You wish to invest \$130,000 in two accounts. You want a cautious investment strategy, so you intend to invest in an account with a rate of 3.3% and another with a rate of 9.3%. With this strategy, at the end of one year, you want to earn \$6,006.00. How much should you invest in each account? You should invest \$ ? in the 3.3% account and \$ ? in the 9.3% account. Click here to see answer by jorel1380(2518)

 Question 456507: A chemist wants to make a mixture which is 62% iodine. How many liters of 60% iodine should be combined with 9 liters of 66% iodine to create a 62% solution? Click here to see answer by jorel1380(2518)

 Question 456117: You have one type of candy that sells for \$2.00/lb and another type of candy that sells for \$8.00/lb. You would like to have 30 lbs of a candy mixture that sells for \$3.90/lb. How much of each candy will you need to obtain the desired mixture? You will need ? lbs of the cheaper candy and ? lbs of the expensive candy. Click here to see answer by jorel1380(2518)

 Question 456508: the perimeter of a swimming pool is 91m. The width is 5m more than half the length of the pool. Find the length and width of the pool. Click here to see answer by jorel1380(2518)

 Question 456521: International coffee Grounds has two kinds of coffee. Coffee a costs \$12 per kilogram, and Coffee B costs \$8 per Kilogram. How many kilograms of each should be combinedto get 100 kilograms of a blend worth \$11 per kilogram Click here to see answer by jorel1380(2518)

 Question 456726: A druggist wants to reduce a 20-ounce quantity of a 7% solution of iodine to a 4% solution by adding pure alcohol. How much alcohol must he add to accomplish this? Click here to see answer by jorel1380(2518)

 Question 457058: an 11% salt solution was mixed with an 18% salt solution to make 20L of a 16% solution. How many liters of 11% salt solution were required? Click here to see answer by jorel1380(2518)

 Question 456118: Tickets for a school concert were priced at \$3 for students and \$6 for non-students. There were 1,215 tickets sold for a total of \$5,418. How many student tickets were sold? How many non-student tickets were sold? Click here to see answer by jorel1380(2518)

 Question 457116: How much of a 40% concentrate of insecticide when added to 1 gallon of water will yield a .5% solution? Click here to see answer by jorel1380(2518)

 Question 457662: Suppose that x liters of pure acid (100% acid) are added to 280 liters of a 25% acid solution. How many liters of pure acid should be added to produce a mixture that is 51% acid? Click here to see answer by jorel1380(2518)

 Question 462690: Soymeal contains 16% protein. Cornmeal contains 8% protein. How many pounds of each would you need to make 320 pounds of mixture containing 14% protein? Would you please qive me the equation I need to solve this? I've done them before but I can't remember how to set it up. Thank you. Click here to see answer by nerdybill(6963)

 Question 462633: Find three solutions to the system of equations x+5y+3z=9 2x+9y+7z=5 thanks Click here to see answer by robertb(4012)

 Question 462627: How many liters of water must be added to 90 liters of an 80% solution of antifreeze and water to obtain a 60% antifreeze solution? Click here to see answer by jorel1380(2518)

 Question 458234: How many grmas of 80% hydrochloric acid solution must be added to 40 grams of 15% hydrochloric acid solution to procuduce a 40% acid solution Click here to see answer by jorel1380(2518)

 Question 458341: How much pure acid should be mixed with 4 gallons of a 30% acid solution in order to get an 80% acid solution? Click here to see answer by jorel1380(2518)

 Question 458343: What is the new concentration if you add 32 mL of water to 65 ml of a 3.4% solution? Click here to see answer by jorel1380(2518)

 Question 462527: How many liters of a 10% acid solution must be mixed with 5 liters of a 25% acid solution to give a 15% solution? Click here to see answer by jorel1380(2518)

 Question 462554: I just don't get it! I have this problem to solve; suppose you can rent a pressure washer for \$7.00 per hr or for \$63.00 per day. Determine the equations for ea. Option and graph them on your own paper. From the graph, estimate the number of hours for which both are the same, Click here to see answer by jorel1380(2518)

 Question 462188: If I use a cream of 40% fat then I need 900 L of cream ...but I have only 500 L of cream of 40% fat which I used up ... I have cream of 45% fat also available......How much I should add 45% fat cream to 500L of 40 % cream to get the same result If I would have used 900 L of 40% cream ? Click here to see answer by jorel1380(2518)

 Question 462710: How many gallons of a 5% solution must be mixed with 26gallons of a 3% solution to obtain a 4% solution Click here to see answer by jorel1380(2518)

 Question 458434: Assume that a jeweler needs 55 grams of an alloy that is 50% gold. He has available one alloy that is 25% gold, and another that is 70% gold; he will mix some of each. If x= number of grams of the first alloy (so the number of grams of the second is 55-x), find x. Click here to see answer by jorel1380(2518)

 Question 462759: how much of an alloy that is 10% copper should be mixed with 400 ounces of an alloy that is 80% copper in order to get an alloy that is 30% copper Click here to see answer by jorel1380(2518)

 Question 462897: How many gallons of a 50% anti-freeze solution must be mixed with 90 gallons of 25% anti-freeze to get a mixture that is 40% anti-freeze? Click here to see answer by stanbon(57399)

 Question 434280: Find the amount of 5% hydrochloric acid that should be added to 60 mL of 20% acid to obtain a 10% solution. Click here to see answer by jorel1380(2518)

 Question 434266: Four pencils and five pens cost \$2.00.three pencils and four pens cost \$1.58.find the cost of a pencil an the cost of a pen. Click here to see answer by jorel1380(2518)

 Question 434348: When a number is divided by -3, the result is 12 more than the number. What is the number? Click here to see answer by jorel1380(2518)

 Question 462739: a)Round off 76.3 to the nearest integer. b)Round off 2.9699 to 3 decimal places. c)Round off 16422 to 3 significant figures. d)Express 676 as a product of prime factors, giving your answer in index notation. e)Factorise completely 3a-18b Click here to see answer by richard1234(5390)

 Question 463083: To a sugar solution of 3 liters containing 40% sugar one liter of water is added. The percentage of sugar in the new solution is Click here to see answer by alicealc(281)

 Question 463117: A cleaning solution was made by mixing 10 qt of a 4% baking soda solution and 8 qt of a 45% soap solution. Find the concentration of the cleaning solution. Click here to see answer by alicealc(281)

 Question 432171: What should be the actual length,in inches,of steel stud in a wall that is 8'-0" tall? Click here to see answer by jorel1380(2518)

 Question 434659: Pablo needs to produce 10 liters of a 15% soultion from 10% to 25% solutions. How many liters of 10% solution does he need? Click here to see answer by jorel1380(2518)

 Question 434962: MArty, the hot dog vendor, has 11.20 in change-all quarters and dimes. he has six times as many quarters as dimes. find the number of each. Click here to see answer by jorel1380(2518)

 Question 434966: in his coin box, Brian has 12 fewer nickles than dimes. the value of his nickles and dimes is \$2.40. how many each type does he have? Click here to see answer by jorel1380(2518)

 Question 435114: If I have 12 ounces per 100 Gallon, how many ounces are in 2.5 gallon Click here to see answer by jorel1380(2518)

 Question 435362: Pure acid is to be added to a 5% acid solution to obtain 95L of 44% solution. What amounts of each should be used? How many liters of 100% pure acid should be used to make the solution? Click here to see answer by jorel1380(2518)

 Question 435506: 9 lbs. of mixed nuts containing 55% peanuts were mixed with 6 lbs. of another kind of mixed nuts that contains 40% peanuts. What percent of the new mixture is peanuts? Click here to see answer by jorel1380(2518)

 Question 435511: how much water should be added to 75 mL of pure lemon juice in order to get a mixture that is 20% lemon juice Click here to see answer by jorel1380(2518)

 Question 435921: Hawaiian Punch is 10% fruit juice. How much water would you have to add to one gallon of Hawaiian Punch to get a drink that is 6% fruit juice? - Thanks! Click here to see answer by jorel1380(2518)

 Question 435942: A chemist needs 150 milliliters of a 43% solution but has only 13% and 58% solutions available. Find how many milliliters of each that should be mixed to get the desired solution. Can you show me how you formulated.. this is what I have so far. 43(150) = 13x + 58y Click here to see answer by jorel1380(2518)

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