Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 262872: How much acid must be added to 60 grams of a solution that is 65% acid to obtain a new solution that is 75% acid?
Click here to see answer by checkley77(12844)

Question 262954: A Chemist has two solutions of alcohol. One has a 24% concentration and the other has a 40% solution. How many liters of EACH solution must be mixed to obtain 120 liters of a 30% solution?
Click here to see answer by mananth(16946)

Question 262332: You have a vast quantity of yellow brass - 67% copper and 33% zinc - and red brass - 85% copper and 15% zinc - on hand. Someone wants an order of 500 tons of brass containing 80% copper and 20% zinc. How many of each kind of brass is needed to be melted together to fill this person's order?
Click here to see answer by ptaylor(2198)

Question 263089: Help is needed: if the speed of light is 3.00 c 10^8m/sec, how long does it take light to travel 2.29 * 10^11m, the distance from the sun to Mars? Round to one decimal place.
Click here to see answer by ankor@dixie-net.com(22740)

Question 263094: if the cost of pretzel is $2.40 per pound and the cost of potato chips is $3.40 per pound, how many pounds of pretzel and how many pounds of potato chips should be used to make a 2 pound blend that cost $3 per pound?
Click here to see answer by drk(1908)

Question 263188: Soybean is 18%protein and cornmeal is 9% protein, how many lbs you mix for 360lbs at 16% protein?
Click here to see answer by mananth(16946)

Question 263096: A hospital recieved a shipment of 8 milligram doses of medicine. Each 8 milligram package was repacked into two smaller doses of unequal size and labled packet a and packet b. The hospital then used 17 doses of packet a and 14 doses of packet b in one week. The hospital used a total of 127 milligrams of medicine during that week. How many milligrams of the medicine are contained in each a packet and b packet?
Click here to see answer by mananth(16946)

Question 263218: How many ounces of a 50 percent alcohol solution must be mixed with 80 ounces of a 20 percent alcohol solution to make a 40 percent alcohol solution?
Click here to see answer by stanbon(75887)

Question 263242: Trail Snax. Corp. mixes candy that costs $5.00 per kg with peanuts that cost $3.80 a kg. How many kilograms of rasins should be mixed with 10 kg of peanuts to obtain a mixture worth $4.00 per kg?
Click here to see answer by stanbon(75887)

Question 263387: What values are excluded from the domain of the function? (Separate multiple answers with commas. Enter NONE if there are none.)
F(x) = (3 x - 9)/(x - 8)
Click here to see answer by drk(1908)

Question 263420: A ferry leaves a harbor and travels to a resort island at an average speed of 22 mph. On the return trip, the ferry travels at an average speed of 10 mph because of fog. The total time for the trip is 4 h. How far is the island from the harbor?
Click here to see answer by richwmiller(17219)

Question 263426: A butcher has some hamburger that is 29% fat and some that is 15% fat. How many pounds of each should be mixed to make 63 lb of hamburger that is 17% fat?
Click here to see answer by richwmiller(17219)

Question 263434: A silversmith mixed 30 g of a 70% silver alloy with 50 g of a 15% silver alloy. What is the percent concentration of the resulting alloy? (Round your answer to the nearest tenth of a percent.)
Click here to see answer by Alan3354(69443)

Question 263452: Given G(t) = 4 − 7t, write G( 5 + h) − G(5) in simplest form.
STEP 1: Substitute to obtain expressions for G( 5 + h) and G(5).
G( 5 + h) − G(5) = 4 − 7( 1) − [2g5]
STEP 2: Multiply and distribute.
G( 5 + h) − G(5) = 34 - 35 -7h-5g
STEP 3: Simplify.
G( 5 + h) − G(5) = 4
Click here to see answer by drk(1908)

Question 263427: How much water must be evaporated from 14 qt of a 45% antifreeze solution to produce a 70% solution?
Click here to see answer by richwmiller(17219)

Question 263450: Find the cost per ounce of a sunscreen made from 130 oz of lotion that cost $3.41 per ounce and 90 oz of lotion that cost $11.99 per ounce.
Click here to see answer by drk(1908)

Question 263463: Find the cost per ounce of a sunscreen made from 130 oz of lotion that cost $3.41 per ounce and 90 oz of lotion that cost $11.99 per ounce.
Click here to see answer by checkley77(12844)

Question 263559: 5 liters of a 4 % solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10 % solution must be added.
Click here to see answer by drk(1908)

Question 263690: An orchard operator must dilute 11 quarts of a 60% insecticide solution by adding water. How many quarts of water should be added to get a mixture that is 2% insecticide?
Click here to see answer by richwmiller(17219)

Question 263609: How many liters of a 40%-alcohol solution must be mixed with 10 liters of a solution that is 80% alcohol to get a solution that is 60% alcohol?
Click here to see answer by ankor@dixie-net.com(22740)

Question 263724: The Good Seed Flower Shop sells its own brand of fertilizer. It mixes one brand of fertilizer that contains 7% nitrogen with another than contains 8% nitrogen. The resulting mixture contains 7.7% nitrogen. How many pounds of the 7% fertilizer must be used to make 400 pounds of the 7.7% mixture?
Click here to see answer by mananth(16946)

Question 263789: i have 71 coins in my wallet consisting of 10 peso, 5 peso coin, and 1 peso coins. if the 10 peso coins are 3 less than 3 times as many as 5 peso coins, and the 1 peso coins are 2 more than twice the 5 peso coins, how much money do i have in my wallet?
Click here to see answer by mananth(16946)

Question 263829: Mrs. Huang operates a soybean fam. She buys many supplies in bulk. Often the bulk products need to be custom mixed before Mrs. Huang can use them. To apply herbicide to a large field she must mix a solution of 67% herbicide with a solution of 46% herbicide to form 42 liters of a 55% solution. How much of the 67% solution must she use?

a. 23L b. 18L c. 34L d. 35L

Click here to see answer by ptaylor(2198)

Question 263828: Initially, a tank contains 20 gallons of 30% antifreeze solution. How many gallons of an 80% antifreeze solution should be added to the tank in order to have the concentration of the antifreeze in the tank increase to 50%?
Click here to see answer by ptaylor(2198)

Question 263967: How many milliliters of distilled water must be added to 30 milliliters of a 46% acid solution to reduce it to a 10% acid solution?
Click here to see answer by nerdybill(7384)

Question 264004: I have 20 gallons of a solution that is 40% alcohol, If I want to end up with 20 gallons of a 60% alcohol solution then how much pure alcohol would I have to add? HINT: If you add x number of gallons of pure alcohol, you first must take away x number of gallons of the 40% solution.
I have figured out the answer is 4 gallons, I just am not sure how to lay out the problem.
Click here to see answer by JBarnum(2146)

Question 264027: How many liters of pure alcohol must be added to 25 liters of a 26% solution to obtain a 50% solution?
Click here to see answer by josmiceli(19441)

Question 264138: How many liters of a 40% alcohol solution must be mixed with a 65% solution to obtain 20 liters of a 50% solution?
Click here to see answer by checkley77(12844)

Question 264135: There were 411 people at a play. Admission was $1.00 for adults and $.75 for children. The receipts were $395.75. How many adults and how many children attended?
Click here to see answer by checkley77(12844)

Question 264132: A total of $20,000 is invested in two bonds that pay 8% and 9.5% simple intrest. The annual intrest is $1675. How much is interested in each bond?
Click here to see answer by checkley77(12844)

Question 264128: exam has 40 questions and is worth 10%. how much is each question worth?
Click here to see answer by checkley77(12844)

Question 264211: Anna worked two part-time jobs last week. The first job paid $11 an hour, and the second job paid $14 an hour. She worked a total of 26 hours last week and earned $319.
How many hours did Anna work at the first job?
Write an equation you can use to answer this question. Let x be the number of hours worked at the first job.
Use your equation to solve the problem.

Click here to see answer by checkley77(12844)

Question 264279: I'm confused on these problems can you show me step by step how to do this?
Janet is mixing 15% glucose solution with a 35% glucose solution. This mixture produces 35 liters if a 19% glucose solution. How many liters of each solution is Janet using in the mixture?
Click here to see answer by stanbon(75887)

Question 264326: How many liters of a 10% alcohol solution should be mixed with 12 liters of a 20% alcohol solution to abtain a 14% alcohol solution?
Click here to see answer by mananth(16946)

Question 264388: 8. A mixture with 60% orange content, what % of water should be added to make this mixture as 40%?
Click here to see answer by drk(1908)

Question 264388: 8. A mixture with 60% orange content, what % of water should be added to make this mixture as 40%?
Click here to see answer by vksarvepalli(154)

Question 264399: How many liters of 100% pure acid should be added to 22 liters of a 30% acid solution to obtain a 45% acid solution?
Click here to see answer by drk(1908)

Question 264461: A chemist has one solution that is 60% chlorinated and another solution that is 40% chlorinated. How much of the first (60%) solution is needed to make a 100 L solution that is 50% chlorinated?
Click here to see answer by Earlsdon(6294)

Question 264470: A coffee shop mixes Brazilian coffee worth $5 per kilogram with Turkish coffee worth $8 per kilogram. The mixture is to sell for $7 per kilogram. How much of the Turkish coffee should be used to make 300 kg of the mixture?
Click here to see answer by Alan3354(69443)

Question 264489: A chemist has one solution that is 60% chlorinated and another solution that is 40% chlorinated. How much of the first (60%) solution is needed to make a 100 L solution that is 50% chlorinated?
Click here to see answer by stanbon(75887)

Question 264491: please check my answer. a retirement dinner for two is $65.20 including tax. find the total cost of the dinner if a tip of 15% is added to the cost. i have 74.98
Click here to see answer by Earlsdon(6294)

Question 264534: The candy store sells two types of chocolates, one for 25 cents and the other for 40 cents. If in one day she sold 100 chocolates and took in exactly 28 dollars, how many of the 25-cent chocolates did she sell?

Click here to see answer by CharlesG2(834)

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