Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 703750: If you mix a half gallon of 95% alcohol with a half gallon of 15% alcohol what is the alcohol % of the mix end up being. Thanks David
Click here to see answer by Alan3354(69443)

Question 703781: how many gallons of a 60% antifreeze solution must be mixed with 90 gallons of 15% antifreeze to get a mixture that is 50% antifreeze? use the six step method
Click here to see answer by josgarithmetic(39617)

Question 693569: You have 10lbs of an element which costs $100/lb. You wish to create an alloy with it and a material whose value is $5 a pound. The resulting mix should be valued at $20/pound. Assuming you use all of the expensive stuff, how much of the less expensive material should you use?
Click here to see answer by josgarithmetic(39617)

Question 703854: How many liters of a 7% solution of salt should be added to a 27% solution in order to obtain 1180 liters of a 10% solution?
Click here to see answer by josgarithmetic(39617)

Question 703871: 2 m� of soil containing 35% sand was mixed
into 6 m� of soil containing 15% sand. What
is the sand content of the mixture?
Click here to see answer by stanbon(75887)

Question 703992: Can you please show me what equations to use for the following word problem:
You want to sell 1-lb jars of mixed peanuts and cashews for $5. You pay $3 per pound for peanuts and $6 per pound for cashews. You plan to combine 4 parts peanuts and 1 part cashews to make your mix. You have spent $70 on materials to get started. How many jars must you sell to break even?
Thank you very much.
Click here to see answer by josgarithmetic(39617)

Question 703984: How many liters of a 9% solution of salt should be added to a 21% solution in order to obtain 540 liters of a 15% solution?
Click here to see answer by josgarithmetic(39617)

Question 704188: A coffee merchant combines coffee costing $4.00 per pound with coffee costing $3.50 per pound. How many pounds of each should be used to make 30 lb of a blend costing $3.70 per pound?
Click here to see answer by josgarithmetic(39617)

Question 704199: In a certain medical test designed to measure carbohydrate tolerance, an adult drinks 7 ounces of a 20% glucose solution. When the test is administered to a child, the glucose concentration must be decreased to 10%. How much 20% glucose solution and how much water should be used to prepare 7 ounces of 10% glucose solution?

Click here to see answer by josgarithmetic(39617)

Question 704201: British sterling silver is a copper-silver alloy that is 7.5% copper by weight. How many grams of pure copper and how many grams of British sterling silver should be used to prepare 210 grams of a copper-silver alloy that is 12% copper by weight? (Round your answers to one decimal place.)
Click here to see answer by josgarithmetic(39617)

Question 704289: if a liter of fluid contains 10% hydrochloric acid is remainder of the solution as water (h2o).what percentage of solution is water? how many milliliters of water is this>
Click here to see answer by nshah11(47)

Question 704500: If solution A contains 30% salt and solution B contains 80% salt,a mixture needs 80 ounces that need to contain 65% salt, how much ounces would A and B both need each?
Click here to see answer by jim_thompson5910(35256)

Question 704562: A butcher has some hamburger that is 21% fat and some that is 15% fat. How many pounds of each should be mixed to make 75 lb of hamburger that is 17% fat?
Click here to see answer by josmiceli(19441)

Question 704628: Having issues solving these 2 problems:
1) How many kilograms of antifreeze must be added to 4 kilograms of a 10% antifreeze solution to produce a 20 % solution?
2) How many grams of water must be evaporated from 10 grams of a 40% antiseptic solution to produce a 50% solution.
Click here to see answer by mananth(16946)

Question 704686: A bottle holds 60L of a 55% saline solution. 20L are drained and replaced with another solution. Which reduces the solution of the mixture to 40% saline. What was the concentration of solution that was added?
HELP, PLEASE
Click here to see answer by lwsshak3(11628)

Question 704816: Please help me!!!!
A store is selling two different types of cheese. One type sells for $3.75 a pound and a second type sells for $4.55 a pound. How many pounds of the $3.75 cheese would the store need to mix together with the $4.55 cheese to get a 45-pound block mixture that sells for $4.05 a pound?

Thank you so much! :D

Click here to see answer by stanbon(75887)

Question 704759: how much water is added to 150 kilogram of sulphuric acid to 3% concentration acid?
Click here to see answer by KMST(5328)

Question 704861: how many quarts of pure antifreeze must be added to 4 quarts of a 10% antifreeze solution to obtain a 30% antifreeze solution?
Click here to see answer by josgarithmetic(39617)

Question 704921: A chemist prepared 100 mL of 15% saline solution by using a 20% solution, an 18% solution, and 40 mL of a 10% solution. How much of the 20% and 18% were used? Please include an equation for setting this problem up if possible. Thanks!
Click here to see answer by josgarithmetic(39617)

Question 704822:

A 12% salt solution is to be mixed with a 7% salt solution to obtain 15 liters of a 10% salt solution. How much of each solution should be used?

Click here to see answer by checkley79(3341)

Question 705073: i need help with this. A 45% salt solution was mixed with a 75% salt solution to produce 15 kilograms of solution that was 67% salt. how much of each solution was used?
Click here to see answer by josmiceli(19441)

Question 705187: A nurse has two solutions that contain different concentrations of a certain medication. One is a 20% concentration and the other is a 5% concentration. How many cubic centimeters of each should he mix to obtain 10 cc of a 11% solution?
Click here to see answer by josgarithmetic(39617)

Question 705286: Dave is 4 years older than Billy. Billy is 3 times older than Jon. All three of their ages combined is 39. What is the age of each child?
I started the problem by trying to figure out Jon's age. I came up with the answer of 7. That does not add up correctly. It looks the answer should be 5. I need the steps to get to 5. Trying to help my son with this problem last night and I am stumped.
Thanks
Click here to see answer by josmiceli(19441)

Question 705332: I have 275 gallon tank and it takes 24oz of salt per 1 gallon. How many pounds of salt will I need for the 275 gallon tank??
Click here to see answer by solver91311(24713)

Question 705631: a metallurgist needs to make 24.8 oz of an alloy that is 50% gold he is going yo melt and combine one alloy that is 60% with another alloy that is 40% gold how much of each alloy should he use?
Click here to see answer by mananth(16946)

Question 705662: Last week, V-Recycle picked up a total of 4,500 kilograms of recycling material. If newspaper weighed 3 times as much as the aluminum cans and the aluminum cans weighed twice as much as the glass, what was the weight of each material?
Click here to see answer by lwsshak3(11628)

Question 705644: 5 oz. of mixed nuts containing 32% peanuts were mixed with 14 oz. of another kind of mixed nuts that contain 70%. What percent of the new mixture is peanuts?
Click here to see answer by josgarithmetic(39617)

Question 705647: a sugar solution was made by mixing 1 qt. of a 89% sugar solution and 12 qt. of a 50% sugar solution. what is the concentration of the mixture?
Click here to see answer by lwsshak3(11628)

Question 705621: 17, 370 items are to be packed into boxes of 24 items each. How many boxes will be filled?

Click here to see answer by geetha_rama(94)

Question 705985: can you make a 50 ml of a 35% acid solution with 32 ml of a 45% solution and 18 ml of a 15% solution? explain

Click here to see answer by Alan3354(69443)

Question 705998: How many liters of water should be evaporated from 140 liters of a 12% saline solution so that the solution that remains is a 20% saline solution.
Click here to see answer by josgarithmetic(39617)

Question 706149: how many pounds of blue coffee selling at $5 per pound should be mixed with 80 pounds of regular coffee selling at $2 per pound to make a mixture selling for $2.60 per pound?
Click here to see answer by josgarithmetic(39617)

Question 706248: how many gallons of 60% alcohol solution must be mixed with 60 gallons of 14% solution to obtain a solution that is 40% alcohol?

Click here to see answer by josgarithmetic(39617)

Question 706277: a bag of turf builder sun and shade mix grass seed covers an area of 4000 sq.ft. how many bags are needed to cover an area of 35,000sq.ft
Click here to see answer by checkley79(3341)

Question 706349: What quantity of 75 per cent acid solution must be mixed with a 25 per cent solution to produce 1080 mL of a 50 per cent solution?

Click here to see answer by josmiceli(19441)

Question 706361: How much water should be added to 20mL of 12% alcohol solution to reduce the concentration to 10%?

Click here to see answer by josmiceli(19441)

Question 706648: Two acid solutions are to be mixed together.
Solution A is 30% acid by volume.
Solution B is 70% acid by volume.
How much of solution A is needed to mix with solution B to make an 800 mL mixture that is 54% acid by volume? Answer to the nearest millilitre.

Click here to see answer by josgarithmetic(39617)

Question 706708: how much water should be added to 14 mL of 19% alcohol solution to reduce the concentration to 7%?
Click here to see answer by stanbon(75887)

Question 706832: A radiator contains 7 quarts of fluid, 25% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 45% antifreeze?
Click here to see answer by ptaylor(2198)

Question 706815: On a world globe, the distance between Rio de Janerio and Hong Kong, two cities that are actually 17615 kilometers apart, is 21.5 inches. The actual distance between Paris and Stockholm is 1605 kilometers. How far apart are Paris and Stockholm on the same world globe?
Click here to see answer by rfer(16322)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245