Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 830781: How many liters of a 6 % solution of salt should be added to a 25 % solution in order to obtain 1064 liters of a 18 % solution?
Click here to see answer by josgarithmetic(39617)

Question 830695: Dairy company mixed two grades of milk , one containing 2.5% butterfat and the other containing 5% butterfat , to obtain 100 gallons in of milk that contained 4% butterfat . Find :
Equation of each milk :

Click here to see answer by josgarithmetic(39617)

Question 830716: I messed up a recipe for a holiday punch by putting in too little sprite. Right now I have 2 quarts of the punch and it is 40% sprite. How much more pure sprite should I put into the punch so that the mixture is 45% sprite?
Click here to see answer by TimothyLamb(4379)

Question 830817: Twenty-four karat gold is considered pure. If a coin is made of 22 karat gold, what is its purity as a fraction and as a decimal rounded to the nearest thousandth?
Click here to see answer by TimothyLamb(4379)

Question 830727: A Web music store offers two versions of a popular song. The size of the standard version is megabytes (MB). The size of the high-quality version is MB. Yesterday, there were downloads of the song, for a total download size of MB. How many downloads of the high-quality version were there?

Click here to see answer by JulietG(1812)

Question 830613: A 18 gallon salt-water solution contains 15% pure salt. how much pure salt should be added to produce the solution to 20% salt?
Click here to see answer by josgarithmetic(39617)

Question 827413: A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 50% salt and Solution B is 75% salt. She wants to obtain 110 ounces of a mixture that is 65% salt. How many ounces of each solution should she use?
Click here to see answer by josgarithmetic(39617)

Question 831036: A chemist has a solution that is 50 percent acid. By adding water the solution is reduced to one containing 40 percent acid. By adding 500cm^3 more water the solution then contains only 35 percent acid. Determine (A) How many cubic centimeters of the 50 percent acid solution the chemist had originally and (B) How many cubic centimeters of the 35 percent acid solution the chemist had finally.
Click here to see answer by stanbon(75887)

Question 831055: a tank holds 20 L of a chemical solution, with a current strength of 60%. how much must be replaced with 100% solution to get a final strength of 80%
Click here to see answer by josgarithmetic(39617)

Question 831061: How many quarts of pure alcohol must be added to 10 quarts of 10% alcohol solution to obtain a mixture which is 25% alcohol?
Click here to see answer by nerdybill(7384)

Question 831074: A butcher has some hamburger that is 18% fat and some that is 15% fat. How many pounds of each should be mixed to make 87 lb of hamburger that is 16% fat?
Click here to see answer by josmiceli(19441)

Question 831079: A silversmith mixed 25 g of a 60% silver alloy with 60 g of a 25% silver alloy. What is the percent concentration of the resulting alloy? (Round your answer to one decimal place.)
Click here to see answer by josgarithmetic(39617)

Question 831073: How many quarts of water must be added to 13 qt of an 80% antifreeze solution to make a 65% antifreeze solution?
Click here to see answer by josgarithmetic(39617)

Question 831017: How many pounds of coffee worrth $7.00 per pound should be added to 30 pounds of coffee worth 2.00 a pound to make the mixture worth 5.00 per pound?
Click here to see answer by josgarithmetic(39617)

Question 831121: a 20% HCl solution and a 70% HCl solution are to be mixed to obtain 900 ml of a 30 % HCl solution. How man ml should be added?

Click here to see answer by Alan3354(69443)

Question 831170: If Julie is mixing a 5% acid solution with a 9% acid solution, how many ounces of each solution are needed to obtain 40 ounces of a 6% acid solution?
Click here to see answer by Alan3354(69443)

Question 831187: How many gallons of gasoline that is 16% ethanol must be added to 2,000 gallons of gasoline with no ethanol to get a mixture that is 14% ethanol?
Click here to see answer by josgarithmetic(39617)

Question 831289: How many liters of a 4% solution of salt should be added to a 21% solution in order to obtain 935 liters of a 16% solution?
Click here to see answer by Alan3354(69443)

Question 831330: How many liters of pure alcohol must be added to 5 liters of a 15% alcohol solution to make a 25% solution?
Click here to see answer by josmiceli(19441)

Question 831479: How many kilograms of dry chemical must be added to 90 liters of water to produce a 0.2 percent chemical solution Assume that a 1 percent solution is equivalent to 10000 mg/L.
Click here to see answer by hovuquocan1997(83)

Question 831485: If I have 125 mg per/5ml on hand and I need 200mg for the patient, how many Ml's will I need to give?
Click here to see answer by hovuquocan1997(83)

Question 831476: bucket a contains an unknow mass of 3.0 percent weight salt water. Bucket B contains an unknown mass of 5.4 percent weight salt water. The wntire contents of both buckets are poured into empty container c and mixed thoroughly. if container c then contains 14.6lb of 4.4 percent weight salt water, the original mass of salt water in bucket b was closest to ?
Click here to see answer by richwmiller(17219)

Question 831449: By weight (A) fertilizer is 20%K, 30%N and 50%P, (B) fertilizer is 10, 30, 60 and (C) fertilizer is 0, 40, 60. How much of each must be mixed to obtain 200lbs of 10%K, 32.5%N, and 57.5%P.
.20k + .30n + .50p (A)
.10k + .30n + .60p (B)
.00k + .40n + .60p (C)
.10k + 32.5n + .60p = 200 (D)
___________________________________
Ak + Bk + Ck = Dk ?????
An + Bn + Cn = Dn ?????
Ap + Bp + Cp = Dp ?????

Click here to see answer by Elomeht(22)

Question 831493: A solution of 48% pesticide is to be mixed with a solution of 33% pesticide to form 45 liters of a 44%
solution. How many liters of the 48% solution must be used?
Click here to see answer by josgarithmetic(39617)

Question 831484: If I need 4% cream, 120 grams, and I only have 3 and 7% on hand, how much will I need of each to make 4%?
Click here to see answer by josgarithmetic(39617)

Question 831554: 20k of water is evaporated from a vat that contains 200kg of an 11% brine solution (11% salt,89% water). 5 kg of salt is then added to the brine. The brine solution that results from this process will contain what percentage of salt?
Click here to see answer by richwmiller(17219)

Question 831546: A mechanic is working on a car with a 20-qt radiator containing a 60% antifreeze solution. How much of the solution should he drain and replace with pure water to get a solution that is 50% antifreeze?
Click here to see answer by josmiceli(19441)

Question 831848: Please help me answer this question. How much water should be added to a 22 mL of 15% alcohol solution to reduce the concentration to 11%?
Click here to see answer by TimothyLamb(4379)

Question 831834: If we have 5 gallons of water and were told by a manufacturer to mix his ingredient to achieve a 15% solution. How much of the special ingredient do we need to add?
(I can't remember how to figure solutions .... I'm hoping you will also show the steps, so I can figure out for different amounts)
I know that the 5 gallons of water = 640 fluid oz
is it as simple as 640 + X = .15
Click here to see answer by TimothyLamb(4379)

Question 831862: In the morning, Maria drove to a business appointment at 30 mph. Her average speed on the return trip in the afternoon was 20 mph. The return trip took 1/2 hour longer because of heavy traffic. How far did she travel to the appointment?
Please help me answer this question.
Click here to see answer by TimothyLamb(4379)

Question 831969: A chemist has 2 quarts of 25% acid solution and one quart 40% acid solution. If he mixes this what would be the concentration of the mixture?
Click here to see answer by Alan3354(69443)

Question 831988: a metal alloy weighing 5mg and containing 10 percent silver is melted and mixed with 1mg of a different alloy which contains 70 percent silver. what percent of the resulting alloy is silver?
Click here to see answer by josgarithmetic(39617)

Question 832039: A chemist needs to make 100mL of a 35% sodium solution. He has an 80% solution and a 20% solution. how many milliliters of each should he combine?
Click here to see answer by Alan3354(69443)

Question 832135: A candy distributor needs to mix a 10% fat-content chocolate with a 50% fat-content chocolate to create 200 kilograms of a 20% fat-content chocolate. How many kilograms of each kind of chocolate must they use?
Click here to see answer by josgarithmetic(39617)

Question 832200: How many cm3 of a 90% alcohol by volume solution must be added to 1000cm3 of a solution that is 20% alcohol by volume to make a 45% alcohol by volume?
Click here to see answer by josgarithmetic(39617)

Question 832164: suppose you mix an amount of candy costing $0.49 a pound with candy costing $0.60 a pound how much cost candy per pound
Click here to see answer by josgarithmetic(39617)

Question 832304: Peanuts cost �1.65 for 200g. How many kilos of peanuts can I buy with �30? Show your workings out
Click here to see answer by LinnW(1048)

Question 832410: (1 pt) Suppose a fuel mixture is 2% ethanol and 98% gasoline. How much ethanol (in gallons) must you add to one gallon of the fuel mixture so that the new fuel mixture is 10% ethanol?
Click here to see answer by josmiceli(19441)

Question 832480: How much water must be added to 14 liters of a 90% acid solution to obtain a 40% acid solution?
Click here to see answer by richwmiller(17219)

Question 832590: Find the cost per ounce of a sunscreen made from 70 oz of lotion that cost $3.47 per ounce and 50 oz of lotion that cost $10.91 per ounce.
Click here to see answer by josgarithmetic(39617)

Question 832586: How many milliliters of a 2.5% bleach solution must be mixed with a 10% bleach solution to produce 600mL of a 5% bleach solution?
Click here to see answer by josgarithmetic(39617)

Question 832576: 10 inches =approximately _____ mm (millimeters).
Answer
A.
.25
B.
2.5
C.
25.5
D.
255
Click here to see answer by erica65404(394)

Question 832755: How many mg of metal containing 45% nickel must be combined with 6 mg of pure nickel to form an alloy containing78% nickel?
Click here to see answer by stanbon(75887)

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