Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 815286: How many liters of a 10% solution of acid should mixed with 60% solution of acid to obtain a 20 liters of 50% solution?
Please show me a step by step guide through because I want understand the material to pass a quiz on these types of questions.
Click here to see answer by josgarithmetic(39617)

Question 815393: If the directions say mix 1ml/1liter water..how many ounces for 50 gallons?
Click here to see answer by Alan3354(69443)

Question 815426: How much of a 70%-alcohol solution must be mixed with 50 gallons of a 23%-alcohol solution to obtain a solution that is 60% alcohol?
Click here to see answer by richwmiller(17219)

Question 815421: How many liters(L) of a 10% saline solution must be added to a 40 L of a 20% saline solution to obtain a 14% saline solution?
Click here to see answer by richwmiller(17219)

Question 815449: How many grams of powder do you need to add to 15mLs of sterile water to make a 50% solution?
Click here to see answer by josgarithmetic(39617)

Question 815461: How many mL of water must be evaporated from 160 mL of a 20% iodine solution to make it a 40% iodine solution?
Click here to see answer by richwmiller(17219)

Question 815460: How many liters of water must be added to 30 L of a 20% chlorine solution to dilute it to a 15% chlorine solution?
Click here to see answer by richwmiller(17219)

Question 815538: Kevin deposited $250 each month for the first three months in his savings account and then deposited $302.50 each month for next four months.
What is the average amount, in dollars, Kevin deposited each month?
Click here to see answer by TimothyLamb(4379)

Question 815539: Felix is going to paint a wall. The wall is 23 feet long by 8 feet high. A gallon of paint costs $11 and covers 320 square feet of area.
If the wall requires two coats of paint, what is the minimum cost of painting Felix's wall?
Click here to see answer by TimothyLamb(4379)

Question 815544: Emily is mowing her lawn which is in the shape of a rectangle with a length of 10 feet and width of 12 feet. Emily completed mowing it in 3 hours.
What is the unit rate at which Emily mowed her lawn?

Click here to see answer by TimothyLamb(4379)

Question 815547: Mathew is watching a car race on TV. His favorite car covered 10 laps of 3.6 miles each in 18 minutes.
What is average speed of the car in miles per hour?

Click here to see answer by TimothyLamb(4379)

Question 815528: to produce 8 liters of a 90% alcohol solution by mixing together a 75% solution and a 95% solution how many liters of the 75% should be used
Click here to see answer by TimothyLamb(4379)

Question 815554: Emily is installing artificial grass in her garden. The garden is 15 feet long and 30 feet wide. It took her 4 hours to install the grass.
What is the average speed at which she installed the grass?
Click here to see answer by TimothyLamb(4379)

Question 815572: 16 lbs of Brand M Cinnamon was made by combining 12 lbs of Indonesian cinnamon which costs $19/ lb with 4 lb of Thai cinnamon which costs $11/ lb. Find the cost per lb of the mixture.
Click here to see answer by TimothyLamb(4379)

Question 815624: A pharmacist wishes to prepare 2 liters of 85% v/v of Ethanol. Concentrations available in the pharmacy include 50% and 95%. How much of each solution, ethanol and distilled water, would be needed to arrive to the desired amount and concentration?

Please help! I am confused with the water bit... is dilution involved? Many thanks in advance.
Click here to see answer by Alan3354(69443)

Question 815720: How many ounces of 30% hydrochloric acid solution and 80% hydrochloric acid must be mixed to get 10 ounces of 50% hydrochloric acid solution?
Click here to see answer by richwmiller(17219)

Question 815803: how many liters of water must be added to 30L of a 20% chlorine solution to dilute it to a 15% chlorine solution
Click here to see answer by richwmiller(17219)

Question 815800: A basketball team has 12 players. In how many different ways can the coach select 2 players to be the captains for tonight's game?
Click here to see answer by ewatrrr(24785)

Question 816029: A gas station sells regular gas for $2.05 per gallon and premium gas for $2.75 a gallon. At the end of a business day 280 gallons of gas were sold, and receipts totaled $637. How many gallons of each type of gas were sold?
Click here to see answer by mananth(16946)

Question 816021: You are to prepare 1500 milliliters of an alcohol solution containing 0.3 ethyl alcohol and 0.7 distilled water. How many milliliters of each ( distilled water/ ethyl alcohol) will be used
Click here to see answer by josmiceli(19441)

Question 816165: The radiator in the car is filled with a solution of 60% antifreeze and 40% water. The manufacturer of the aniotifreeze suggests that, for summer driving, optimal cooling of the engine is obtained with only 50% antifreeze. If the capacity of the radiator is 3.6 L, how much coolant should be drained and replaced with water to reduce the antifreeze concentration to the recommended level?
Click here to see answer by josmiceli(19441)

Question 816260: In a particular type of alloy the ratio of lead
to tin is 5 : 6. The amount of lead should be
added to 12.1 kg of this material to make
Click here to see answer by richwmiller(17219)

Question 816283: I have 5 gallons of 70% glycol solution. I need to have only a 50% solution.
How much water must I add to 5 gallons to make a 50% solution.
Click here to see answer by ewatrrr(24785)

Question 816249: A Farmer has a 6% solution and a 12% solution of pesticide. How much of each must the farmer mix to have 300 gallons of an 8% solution for her spray?
Click here to see answer by TimothyLamb(4379)

Question 816338: how many liters of a 30% alcohol solution must be mixed with 30 liters of an 80% solution to get a 60% solution?
Click here to see answer by Alan3354(69443)

Question 816338: how many liters of a 30% alcohol solution must be mixed with 30 liters of an 80% solution to get a 60% solution?
Click here to see answer by richwmiller(17219)

Question 816338: how many liters of a 30% alcohol solution must be mixed with 30 liters of an 80% solution to get a 60% solution?
Click here to see answer by ewatrrr(24785)

Question 816382: Mary wants to make 10 qt. of a 63% saline solution by mixing together a 75% SALINE SOLUTION AND A 55% saline solution. How much of each solution must she use?
Click here to see answer by ewatrrr(24785)

Question 816565: How many litres (L) of a 40% glycerine solution must be mixed with 10L of an 80% glycerine solution to obtain a 65% solution?
Click here to see answer by josgarithmetic(39617)

Question 816625: a pharmacist wishes to mix a solution that is 2% Minoxidil. She has on hand 70 ml of a 1% solution and wishes to add some 4% solution to obtain the desired 2% solution. how much 4% solution should she add?

Click here to see answer by mananth(16946)

Question 816699: how many liters pf 50% antiseptic solution must be added to 4 liters of a 20% solution in order to get a 30% antiseptic solution?
Click here to see answer by ewatrrr(24785)

Question 816695: Combining 25% sodium bromide, with 80% sodium bromide mixed up 200 liters of 60% sodium bromide, how much of each solution was used?
Click here to see answer by josgarithmetic(39617)

Question 816693: In a 30 liters of 15% alcohol solution, how much pure alcohol should be added to obtain a 32% alcohol solution?
Click here to see answer by josgarithmetic(39617)

Question 816836: How many liters each of 25% and 60% alcohol solutions must be mixed together to make 40 liters of a 53% alcohol solution?
Click here to see answer by richwmiller(17219)

Question 816836: How many liters each of 25% and 60% alcohol solutions must be mixed together to make 40 liters of a 53% alcohol solution?
Click here to see answer by TimothyLamb(4379)

Question 816829: [ If one car costs $14,300 and it gets 35 mpg. And the other car costs [$15,400] and gets 40 mpg. Assuming that gas costs $3.75 per gallon [at what number of driven miles] would the two cars [be of equal value?] ]
Click here to see answer by TimothyLamb(4379)

Question 816912: Suppose that you have a supply of a 30% solution of alcohol and a 70% solution of alcohol. How many quarts of each should be mixed to produce 10 quarts that is 50% alcohol?
Click here to see answer by Alan3354(69443)

Question 817030: A metal alloy weighing 6 lb. and containing 4%
iron is melted and mixed with 2 lb. of pure iron.
What percent of the resulting alloy is iron?

Click here to see answer by stanbon(75887)

Question 817043: what is 33 milliliters per kilogram to milliliters per pound?

Click here to see answer by josgarithmetic(39617)

Question 817073: AMadge invested $2,500 at 8% interest for one year. She has an additional $8,000 to deposit. At what rate must she invest the $8,000 to end the year with a total balance of exactly $11,540?
Click here to see answer by mananth(16946)

Question 817135: [ A 3000 gallon vat contains 1400 gallons of an 8% [acid solution]. Bob is going to add x gallons of an 80% acid solution to vat. Write the concentration of the mixture as a function of x. Help???
Click here to see answer by TimothyLamb(4379)

Question 817169: one liter of water is added to 5 liters of a 20% solution of alcohol in water. what is the strength of alcohol in the new solution ?
Click here to see answer by josgarithmetic(39617)

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