Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 234919: how many liters of 40% and 80% acids must be mixed in order to make 20 liters of a 55% acid solution?
Click here to see answer by Earlsdon(6294)

Question 234978: Forty percent of Joy's salary went to her room and board. If she paid 1 500.00 pesos for room and board, how much was her salary?
Click here to see answer by checkley77(12844)

Question 234978: Forty percent of Joy's salary went to her room and board. If she paid 1 500.00 pesos for room and board, how much was her salary?
Click here to see answer by nerdybill(7384)

Question 235038: I am confusing myself with this problem. We have regular yogurt that is 3%fat and 1% fat yogurt. How many pounds of regular yogurt and hom many pounds of no fat yogurt would have to be mixed to obtain 60 pounds of low-fat yogurt. I tried the addition method but not sure that I have the right answere.
Click here to see answer by ankor@dixie-net.com(22740)

Question 235106: How many liters of water must be added to 10 L of 30% solution of antifreeze to reduce it to a 20% solution?
Click here to see answer by Alan3354(69443)

Question 235124: solve and graph:
2<10-4k<6
Click here to see answer by solver91311(24713)

Question 235101: How many milliliters of water must be added to 500mL of a 40% solution of hydrochloric acid to reduce it to a 25% solution?
Click here to see answer by Alan3354(69443)

Question 235297: A chemist has two solutions: one containing 40% alcohol and another containing 70% alcohol. How much of each should be used to obtain 80 liters of 49% solution.
Click here to see answer by nerdybill(7384)

Question 235504: outline the steps you would use to prepare a 10% salt solution from a 25% salt solution for a 100 ml.
Click here to see answer by stanbon(75887)

Question 235629: Chemistry. A chemist has two solutions: one containing 40% alcohol and another containing 70% alcohol. How much of each should be used to obtain 80 liters of a 49% solution?
Im trying to find a way to solve this using matrices. I'm really unsure about how to go around solving this problem. Thanks
Click here to see answer by Theo(13342)

Question 235817: Complete the factorization.
16x^7 = 2x^2( )
Click here to see answer by checkley77(12844)

Question 235884: Two ships leave port at the same time. One sails south at 15 mi/h and the other sails east at 20 mi/h. Find a function that models the distance D between the ships in terms of the time t (in hours) elapsed since their departure.
Click here to see answer by ankor@dixie-net.com(22740)

Question 235976: A chemist wants to create 60 grams of an nickel alloy that is 65% pure. She has one mixture of an nickel alloy that is 45% pure and another mixture that is 75% pure. How much of each mixture must she use?

Click here to see answer by josmiceli(19441)

Question 236010: how many gallons of 70% antifreeze solution must be mixed with 60 gallons of 10% antifreeze to get a mixture that is 60% antifreeze
Click here to see answer by checkley77(12844)

Question 236048: how many kilograms of water must be added to 10 kg of a 75% antifreeze solution in order to produce a 50% solution?
Click here to see answer by stanbon(75887)

Question 236154: Carol has 2 rose bushes; one with red flowers and one with yellow flowers. The red bush has 3 times as many flowers as her yellow floers,Together there are 124 flowers. How many of each color flower does she have? What iis the equation(or system equation)
Click here to see answer by rfer(16322)

Question 236320: a motor boat travels 36km down stream in 2 hours . in coming back up streams, the
trip takes 3 hours. find the rate of the boat in still water and the rate of the current.(solve using linear system)

Click here to see answer by Theo(13342)

Question 236081: Suppose an exam has 28 questions on it and students need to answer 18 of the questions. How many ways can this be done if the first 5 and last 4 questions must be answered and question #19 must not be answered because of a typo?
Click here to see answer by Theo(13342)

Question 236564: how much does an alloy that is 20% copper should be mixed with 200 onces of an alloy that is 90% copper in order to get an alloy that is 30% copper
Click here to see answer by stanbon(75887)

Question 236541: Soybean meal is 12% protein; Cornmeal is 6% protein. How many pounds of each should be mixed together to get a 240 pound mixture that is 7% protein?
Click here to see answer by checkley77(12844)

Question 236651: I need help, can you please help me?!?!?
Simplify each expression using the square root method.
sq root of -16 plus 2
Click here to see answer by checkley77(12844)

Question 236651: I need help, can you please help me?!?!?
Simplify each expression using the square root method.
sq root of -16 plus 2
Click here to see answer by stanbon(75887)

Question 236811: A chemist needs 160 milliliters of a 25% solution but has only 5% and 69% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
Click here to see answer by nerdybill(7384)

Question 237023: I'm not sure how to even set this up.
My son has $112 dollars made up of dimes, quarters and one dollar bills. The amount of one dollar bills is 52 dollars and the amount of quarters is two times the amount of dimes. How many does he have of each?
I got as far as 112-52= 70 (to be left with only the coins to resolve), but I didn't understand how to get any further. Please help!
Thanks!
Click here to see answer by stanbon(75887)

Question 237399: An advertisement for grape drink claims that the drink contains 10% grape juice. How much pure grape juice would have to be added to 5 quarts of the drink to obtain a mixture containing 40% grape juice?
Click here to see answer by josmiceli(19441)

Question 237613: A 25 � ounce solution is 20% alcohol . If 50 ounces of water added to it , what
percent of the new solution is alcohol?
A. 5 B. 6 2/3 C. 8 D. 10 E. none of these
Click here to see answer by Edwin McCravy(20056)

Question 238118: How much drug would you need to make two onces of a 20% Mixture.
Click here to see answer by solver91311(24713)

Question 238192: i need help with all kind of words problems. i just dont understand how to do them.
Click here to see answer by College Student(505)

Question 238210: how many liters of 20% alcohol solution and 10% alcohol solution must be mixed to obtain 50 liters of a 12% alcohol solution
Click here to see answer by nyc_function(2741)

Question 238262: how many liters of 20% salt solution must be added to 72 liters of 59% salt solution to get a 44% salt solution?
Click here to see answer by alicealc(293)

Question 238189: How many liters of 20% alcohol solution and 10% alcohol solution must be mixed to obtain 50 liters of a 12% alcohol solution?
Click here to see answer by checkley77(12844)

Question 238300: how many liters of a 75% solution should be mixed with 55% solution to get 70 liters of a 63% solution?
Click here to see answer by checkley77(12844)

Question 238350: a 2004 Pontiac Montana has an engine coolant system capacity of 10.01 liter. If the system is currently filled with a mixture that is 30% antifreeze, how much of it should be drained and replaced with pure antifreeze so that they system is filled with a mixture that is 50% antifreeze?
Click here to see answer by stanbon(75887)

Question 238465: At a health food store, dried apple slices that cost $1.80 per pound are mixed with dried banana slices that cost $2.10 per pound. If the mixture weighs 5 pounds and costs $1.92 per pound, how many pounds of apple slices were used?
A) 1.5 pounds of apples B) 2 pounds of apples C) 3 pounds of apples
D) 3.5 pounds of apples E) none of these
Click here to see answer by checkley77(12844)

Question 238513: One week 10 copies of the novel The DaVinci Code by Dan Brown were sold for every 1.9 copies of John Grogan's Maryley and Me that were sold. If a total of 3570 copies of the two books were sold, how many copies of each were sold?
Click here to see answer by stanbon(75887)

Question 238584: I need help setting up the following word problem.
NOT LOOKING FOR THE ANSWER LOOKING FOR THE METHOD PLEASE.
How much pure acid should be mixed with 6 gallons of a 50% acid solution in order to get an 80% acid solution?
What I have is wrong I am sure:
.80=.50(x+6)+(x)
Any assistance would be greatly appreciated.
Click here to see answer by Masaries7(3)

Question 238771: I'm having some problems and need help. In a chemistry class, 3 liters of a 4% silver iodide solution must be mixed with a 10% solutin to get a 6% solution. How many liters of the 10% solution are needed?
Click here to see answer by ankor@dixie-net.com(22740)

Question 238768: I getting stumped on this problem, please help. A merchant has coffee worth $20 a pound that she wishes to mix with 80 pounds of coffee worth $90 a pound to get a mixture that can be sold for $60 a pound. How many pounds of the $20 coffee should be used?
Click here to see answer by Earlsdon(6294)

Question 239139: Mixture A is 7.5% acid. To raise the concentration of acid to 10%, some pure acid will be added to the mixture. How many liters of mixture A and how many liters of pure acid are needed to end up with 200 liters of 10% solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 239567: 40 grams of a 50% acid solution. How much water must be added to make a 10% solution
Click here to see answer by checkley77(12844)

Question 240401: A chemist plans to mix 40 ml of a 5% alcohol solution with some 11% alcohol solution to make a 7% solution. How much of the 11% solution should be mixed with the 5% alcohol solution to obtain the 7% alcohol solution?
Click here to see answer by checkley77(12844)

Question 240619: a nurse mix 15 liters of a 10% solution of s drug with som 60% solution to get a 20% MIXTURE. how many liters of the 60% solution will be needed?
Click here to see answer by checkley77(12844)

Question 240881: please help me....
How many grams of a 25% silver alloy is to be melted with 30 grams of a 55% silver alloy to obtain a 32% silver alloy?
Click here to see answer by solver91311(24713)

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