Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 125072: 33 1/3% of a number is 3 2/3. Find the number.
Click here to see answer by checkley71(8403)

Question 125173: I am having a lot of trouble with word problems....hopefully you could help me better understand it!
A student needs 10% hydrochloride acid for a chemistry expierement. How much 5% acid should be mixed with 120 milliliters of 20% acid to get a 10% solution.
THANK YOU SO MUCH!
Click here to see answer by Earlsdon(6294)

Question 125248: AN HEBALIST HAS 30 OZ OF HERBS COSTING $2 PER OUNCE. HOW MANY OUNCES OF HERBS COSTING $1 PER OUNCE SHOULD BE MIXED WITH THE 30 OZ TO PRODUCE A MIXTURE COSTING $1.60 PER OUNCE?
Click here to see answer by dolly(163)

Question 125273:
A swimming pool contains 40000 gallons of water. How many gallons of chlorine must be added to "shock the pool" and bring the water to a 37/100 % solution?
I honestly have no idea I thought that you just needed to multiply the two..which would be 148 gallons, but when I enter that it keeps saying incorrect on my online homework. Please help me :(
Thank you,
Aryn
Click here to see answer by checkley71(8403)

Question 125272: A chemist wants to mix a 60% saline solution with 20 liters of a 45% saline solution to obtain a 55% saline solution. How much of the 60% solution should she use?
Click here to see answer by checkley71(8403)

Question 125288: How many gallons of an 80% alcohol solution must be mixed with 30 gallons of a 22% solution to obtain a solution that is 70% alcohol?
Click here to see answer by checkley71(8403)

Question 125657: Two planes leave an airport at the same time, one flying east, the other flying west. The eastbound plane travels 150 mph slower. They are 2250 mi apart after 3 hrs. Find the speed of each plane.
Click here to see answer by Fombitz(32388)

Question 125655: Monica Hugo, who is one Crystal's best customers, wants to buy two kinds of beans: Arabian Mocha ($8.50lb) and Colombian Decaf ($8.00lb). If she wants twice as much Mocha as Colombian decaf, how much of each can she buy for a total of $87.50?
Click here to see answer by josmiceli(19441)

Question 125706: A grocer wants to mix peanuts and cashews to produce 20lbs. of mixed nuts worth $6.20/lb. How many pounds of each kind of nut should she use if peanuts cost $4.80/lb and cashews cost $8/lb?
Click here to see answer by stanbon(75887)

Question 125653: How many liters of a 60% acid solution must be mixed with a 75% acid solution to get 20 liters of 72% solution?
Click here to see answer by checkley71(8403)

Question 125804: A table is three times as long as it is wide. If it were 3 ft shorter and 3 ft wider, it would be square (with all sides equal). How long and how wide is the table?
Click here to see answer by ankor@dixie-net.com(22740)

Question 125802: Two cars start from towns 400 mi apart and travel toward each other. They meet after 4 hrs. Find the speed of each car if one travels 20mph faster than the other.
Click here to see answer by ankor@dixie-net.com(22740)

Question 125803: Kevin is three times as old as Bob. Three years ago the sum of their ages was 22yr. How old is each now?
Click here to see answer by ankor@dixie-net.com(22740)

Question 125809: Paula received a paycheck for $585 for her weekly wages less 10% deductions. How much was she paid before the deductions were made?
Click here to see answer by stanbon(75887)

Question 125553: This problem is not in a book it is a hand out.
If the mixture is P% gasoline, prices at $1.60 per gallon, and (100-P)% alcohol, priced at $1.00 per gallon, write a formula for the price of a gallon of gasahol.
Click here to see answer by ankor@dixie-net.com(22740)

Question 125825: two gasahol mixtures are available one contains4.5%alcohol,and the other contains9.75%alcohol.How much of each do you need to mix up 300 liters of gasahol containing 7.25%alcohol
Click here to see answer by josmiceli(19441)

Question 126163: Oolong tea sells for $19 per pound. How many pounds of Oolong should be mixed with regular tea selling at $4 per pound to produce 50lb of tea selling for $7 per pound?
Click here to see answer by josmiceli(19441)

Question 126207: I have tried this problem about 10 different ways but I can't seem to get it!! Help!!!
A merchant has coffee worth $20 a pound that she wishes to mix with 30 pounds of coffee worth $90 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $20 coffee should be used?
Click here to see answer by edjones(8007)

Question 126279: The manager of a coffee shop sells chocolate covered peanuts for $6 dollars per pound and chocolate covered cashews for $15 dollars per pound. The manager wishes to mix 70 pounds of the cashews to get a cashew-peanut mixture that will sell for $13 dollars per pound. How many pounds of peanuts should be used?
Click here to see answer by josmiceli(19441)

Question 126333:
In a chemistry class, 12 L of a 12% alcohol solution must be mixed with a 2% solution to get a 14% solution. How many liters of 20% solution are needed?
Click here to see answer by checkley71(8403)

Question 126274: A chemist needs 90 milliliters of a 78% solution, but has only 43% and 88% solutions available. Find how many milliliters of each should be mixed t oget the desired solution.
Click here to see answer by scott8148(6628)

Question 126447: The sum of two numbers is 89. Adding four times the first number to the second number gives 155. Express as a algebraically equation?
Click here to see answer by praseenakos@yahoo.com(507)

Question 126446: The differance between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?
Click here to see answer by praseenakos@yahoo.com(507)

Question 126449: A person invested $10,000.00. The greater part is invested at 6% and the remainder at 5%. The annual income from the greater part is $160.00 more than the annual income from the smaller part. What is the smaller part of the investment?
Click here to see answer by checkley71(8403)

Question 126448: What amount of each mixture, one 95% alcohol and the other 15% alcohol, must be used to make 10 liters of a mixture which is 45% alcohol? What equations will express this problem?
Click here to see answer by scott8148(6628)

Question 126558: Two trains leave a city at the same time. One travels north, and the other travels south 20 mph. faster. In 2 hr, the trains are 280 miles apart. Find their speeds.
Click here to see answer by checkley71(8403)

Question 126568: In a chemistry class, 12 L of a 12% alcohol solution must be mixed with a 2% solution to get a 14% solution. How many liters of the 20% solution are needed?
Click here to see answer by josmiceli(19441)

Question 126581: If you mix a 50% concentrate acic solution and a 20% concentrate acid solution and you end up with 40 gallons of a 42.5% concentrate acid solution, how much of the 50% and 20% solution did you use.
Click here to see answer by checkley71(8403)

Question 126591: The volume V of a given mass of gas varies directly as the temperature T and inversely as the 19)
pressure P. If V = 465.0 in.3 when T = 310� and P = 10 lb/in.2, what is the volume when T = 300�
and P = 20 lb/in.2?
Click here to see answer by marcsam823(57)

Question 126615: A 60 mililiter solution has 50% acid. How much pure water is needed to get 30% acid?
Click here to see answer by checkley71(8403)

Question 126621: A 60 mililiter soulution has 50% acid. How much pure water is needed to get 25% acid.
Click here to see answer by edjones(8007)

Question 126622: This is on page 228 of textbook.
Marcie Waderman is having a holiday party at her house. She made 2 gallons of punch solution that contains 2% alcohol. How much pure punch must Marcie add to the punch to reduce the alcohol level to 1.5%?
Click here to see answer by checkley71(8403)

Question 126773: How many pounds of pecans, sold at $5.60 per pound would be mixed with 2 pounds of cashews, sold at $3.50 to create a mixture that sells for approximately $4.34 per pound?
Click here to see answer by ankor@dixie-net.com(22740)

Question 126875: How many pounds of a 12% aluminum alloy must be mixed with 400 pounds of a 25% aluminum alloy to make a 17% aluminum alloy?
Click here to see answer by josmiceli(19441)

Question 127170: Please help me. I have done this and it is wrong. I am grateful for any help.
Soymeal is 12% protein and cornmeal is 6%. How many pounds of each should be mixed together to get 240 pound mixture that is 7% protein? Thanks so much...
Click here to see answer by ankor@dixie-net.com(22740)

Question 127218: My math teacher, unfortunately, never taught me how to do this kind of supposed "mixture" problem: With a tailwind, a jet flew 2000 miles in 8 hours, but the return trip against the wind required 10 hours. Find the jet's speed and the wind speed.
Click here to see answer by stanbon(75887)

Question 127260: I'm not sure if this is a mixture equation, but: The sum of the digits of a two digit number is 11. The number obtained by reversing the order of the digits is 27 less than the original number. Find the original number.
Click here to see answer by ankor@dixie-net.com(22740)

Question 127449: Ellen wishes to mix candy worth $1.56 per pound with candy worth $2.60 per pound to form 20 pounds of a mixture worth $2.29 per pound. How many pounds of the more expensive candy should she use?
Click here to see answer by checkley71(8403)

Question 127486: I got stuck on this problem here: When Jim cleaned out the fountain in front of the mayor's house, he found 20 nickels and quarters. The mixture of coins totaled up to $2.60. How many quarters did Jim find?
Thanks in advance!
Click here to see answer by rapaljer(4671)

Question 127531: How many gallons of a 25% acid solution must be mixed with 100 gallons of a 6% acid solution to obtain a solution that is 20% acid?

Click here to see answer by stanbon(75887)

Question 127627: 3. Name the coordinate described here:
From the origin, the point is three places to the right and eight places down.

Click here to see answer by solver91311(24713)

Question 127588: suppose that a supermarket sells cashews for 4.50 per pound and pecans for 6.50 a pound how many pounds of each are needed to obtain a mixture of 40lbs that can be sold for 5.85 per pound
Click here to see answer by josmiceli(19441)

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