Questions on Word Problems: Mixtures answered by real tutors!

Tutors Answer Your Questions about Mixture Word Problems (FREE)

Question 1162273: Juanita invested $13,000 for one year, part at 9 percent annual interest and the rest at 7 percent annual interest. How much must she invest at 9 percent to get $1,000 in interest in a year?
Jonathon invested $8,400, part at 12 percent annual interest and the remainder at 8 percent annual interest. In one year, he earned three times as much interest from the 12 percent investment as he did from the 8 percent investment. How much interest did Jonathon earn at 8 percent interest?

Click here to see answer by ikleyn(52781)

Question 1162264: How many milligrams of uranium with 72% purity and 84.8% must be mixed to obtain 9 milligrams with 80% purity?
Click here to see answer by greenestamps(13200)

Question 1162294: If y represents a number, which equation is a correct translation of the sentence?
20 subtracted from 7 times a number is 6.
Click here to see answer by math_helper(2461)

Question 1162294: If y represents a number, which equation is a correct translation of the sentence?
20 subtracted from 7 times a number is 6.
Click here to see answer by Edwin McCravy(20055)

Question 1162294: If y represents a number, which equation is a correct translation of the sentence?
20 subtracted from 7 times a number is 6.
Click here to see answer by ikleyn(52781)

Question 1162294: If y represents a number, which equation is a correct translation of the sentence?
20 subtracted from 7 times a number is 6.
Click here to see answer by greenestamps(13200)

Question 1162342: Hello, I am having difficulty with this problem. 45 pounds of coffee costing $9 per pound is mixed with 30 pounds of coffee costing $5 per pound. How should the mixture be priced?
Click here to see answer by ikleyn(52781)

Question 1162502: A nontoxic furniture polish can be made by combining vinegar and olive oil. The amount of oil should be three times the amount of vinegar. How much of each ingredient is needed in order to make 46 oz of furniture polish?
Click here to see answer by josgarithmetic(39617)

Question 1162588: In order to make a 42% solution of alcohol in water how many ounces of water should be added to 980 ounces of solution that contains 420 ounces of pure alcohol?
Click here to see answer by ikleyn(52781)

Question 1162587: A tobacconist blends 3 parts of tobacco costing 9¢ an ounce with 4 parts of tobacco costing 14¢ an ounce with 5 parts of tobacco costing 17¢ an ounce. If he wishes to make a 50% profit, what should be the price of one pound of this blend?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1162591: A certain alloy is composed of two metals, A and B. How many tons of metal A should be added to 24 tons of metal B in order to have an alloy 76% metal A?
Click here to see answer by ikleyn(52781)

Question 1162590: Tobacco mixture #706 is 10¢ per ounce while mixture #716 is twice that price. How many ounces of the more expensive mixture must be used with 48 ounces of the less expensive mixture to make a new mixture that will sell for 76¢ per 5-ounce tin?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1162586: Mr. Lyons wishes to make a mixture of 12 pounds of tea worth $1.20 per pound by mixing tea worth $1.00 per pound with tea worth $1.30 per pound. What part of the mixture will be made up of the less expensive grade?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1162780: A manufacturing company finds that they can sell 450 items at $2.00 per item and 225 items at $3.50 per item. If the relationship between the number of items sold x and the price per item p is a linear one:
Find a formula that gives x in terms of p: x=
Click here to see answer by Theo(13342)

Question 1162779: A collection of nickels, dimes, and quarters consist of 8 coins with a total of $1.30. If the number of dimes is equal to the number of nickels, find the number of each type of coins.
Click here to see answer by ankor@dixie-net.com(22740)

Question 1162778: A chemist has three different acid solutions. The first acid solution contains 15% acid, the second contains 30% and the third contains 70%. He wants to use all three solutions to obtain a mixture of 81 liters containing 55% acid, using 3 times as much of the 70% solution as the 30% solution. How many liters of each solution should be used?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1162781: A ball is tossed into the air so that the height after 1, 2, and 4 seconds is as given in the following table. If the relationship between the height of the ball h and the time t is quadratic, then the relationship can be written as:
h=at^2+bt+c
Use the information in the table to write a system of three equations in three variables a, b, and c. Solve the system to find the exact relationship between h and t.
t h
1 144
2 128
4 0

Click here to see answer by Boreal(15235)

Question 1162949: Goran's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Goran
$5.75
per pound, and type B coffee costs
$4.45
per pound. This month's blend used twice as many pounds of type B coffee as type A, for a total cost of
$556.70
. How many pounds of type A coffee were used?

Click here to see answer by ikleyn(52781)

Question 1162950: A Web music store offers two versions of a popular song. The size of the standard version is
2.8
megabytes (MB). The size of the high-quality version is
4.4
MB. Yesterday, there were
1120
downloads of the song, for a total download size of
4368
MB. How many downloads of the high-quality version were there?

Click here to see answer by ikleyn(52781)

Question 1162953: At the city museum, child admission is
$6.20
and adult admission is
$9.80
. On Sunday, twice as many adult tickets as child tickets were sold, for a total sales of
$799.80
. How many child tickets were sold that day?

Click here to see answer by ikleyn(52781)

Question 1162954: Two trains leave stations
156
miles apart at the same time and travel toward each other. One train travels at
55
miles per hour while the other travels at
75
miles per hour. How long will it take for the two trains to meet?

Click here to see answer by Edwin McCravy(20055)

Question 1162955: Isabel invested her savings in two investment funds. The
$6000 that she invested in Fund A returned a
4% profit. The amount that she invested in Fund B returned a
1% profit. How much did she invest in Fund B, if both funds together returned a 2% profit?
Click here to see answer by VFBundy(438)

Question 1162996: You need a 20% acid solution. You have 980 mL of 15% on hand. How much of a 90% acid solution should you add to obtain the desired solution?
Click here to see answer by ikleyn(52781)

Question 1163062: Isabel invested her savings in two investment funds. The
$6000
that she invested in Fund A returned a
4%
profit. The amount that she invested in Fund B returned a
1%
profit. How much did she invest in Fund B, if both funds together returned a
2%
profit?

Click here to see answer by greenestamps(13200)

Question 1163087: You want to obtain a liter of a 12% salt solution, mixing X milliliters of an 8% salt solution with Y milliliters of another 18% salt solution, what will be the number of milliliters in the new solution? (400 mL)
Click here to see answer by greenestamps(13200)

Question 1163281: Zhan just recieved a job offer that will pay him 30% more than his present job does. if the salary at his new job will be $30,200, determine his present salary.
Click here to see answer by ikleyn(52781)

Question 1163297: The royal fruit company produces two types of fruit drinks. The first type is 65% pure fruit juice, and the second type is 85% pure fruit juice. The company is attempting to produce a fruit drink that contains 80% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 160 pounds of make sure that is 80% pure fruit juice?
Click here to see answer by josgarithmetic(39617)

Question 1163332: You go to the doctor and he gives you 13 milligrams of radioactive dye. After 24 minutes, 6 milligrams of dye remain in your system. To leave the doctor's office, you must pass through a radiation detector without sounding the alarm. If the detector will sound the alarm if more than 2 milligrams of the dye are in your system, how long will your visit to the doctor take, assuming you were given the dye as soon as you arrived? Give your answer to the nearest minute.
Click here to see answer by solver91311(24713)

Question 1163331: The 1906 San Francisco earthquake had a magnitude of 7.9 on the MMS scale. Around the same time there was an earthquake in South America with magnitude 4.4 that caused only minor damage. How many times more intense was the earth movement in San Francisco earthquake than the South American one?
Click here to see answer by solver91311(24713)

Question 1163443: an analysis of enrollment in mba parallel programme indicates that enrolment will decline as the pool of university graduates in the country shrink. the estimate indicates that the number of applicants y for the coming year will behave according the function y=f(t)=250-20t where t equals time in years measured from 1999
Click here to see answer by ikleyn(52781)

Question 1163666: How many ounces of a 15% alcohol solution must be mixed with 4 ounces of a 20% alcohol solution to make a 17 % alcohol solution?
The number of ounces of the % alcohol solution that needs to be mixed is
nothing ounces.
Click here to see answer by greenestamps(13200)

Question 1163703: A pharmacist wishes to mix a solution that is 4% Minoxidil. She has on hand 90 ml of a 2% solution and wishes to add some 6% solution to obtain the desired 4% solution. How much 6% solution should she add?
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