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Question 501139: how much pure acid should be mixed with 3 gallons of a 60% acid solution in order to get 90% acid solution
Click here to see answer by josmiceli(19441)

Question 501167: how much of an alloy that is 20% should be mixed with 500 onces of an alloy that is 60% in order to get an alloy that is 30%
Click here to see answer by Alan3354(69443)

Question 501189: A person's weight on Venus is about 9/10 his weight on Earth. How much does a person weigh on Earth if he weighs 108 poundson Venus?
Here is what I tried...
9/10W = 108+W = 10 8/10
Click here to see answer by nerdybill(7384)

Question 501242: True or False:
Every whole number is a rational number?
Some whole numbers are not rational numbers?
Click here to see answer by richard1234(7193)

Question 501534: Two solutions, one containing 4.5% iodine and the other containing 12% iodine, are to be mixed to produce 10 liters of a 6% iodine solution. How many liters of each are required?
Click here to see answer by josmiceli(19441)

Question 501601: A merchant mixed 12 lb of a cinnamon tea with 4 lb of spice tea. The 16-pound mixture cost $42. A second mixture included 16 lb of the cinnamon tea and 8 lb of the spice tea. The 24-pound mixture cost $64. Find the cost per pound of the cinnamon tea and of the spice tea.

Click here to see answer by mananth(16946)

Question 501597: how many milimeters of a 15% acid solution and how many milimeters of 3% acid solution must be mixed to get 180 milimeters of a 10% acid solution
Click here to see answer by mananth(16946)

Question 501694: What number is 130% of 96?
Click here to see answer by rfer(16322)

Question 501670: merchant has coffee worth 50.00 a pound that wishes to mix with 30 pounds of coffee worth 90.00 a pound to get a mixture that can be sold for 60.00 a pound. How many pounds of the 50.00 coffee should be used.
Click here to see answer by mananth(16946)

Question 501712: What is 130% of 96?
x/96=1.30/100= 100x=96*1.30=1.248?
Is this how you do this?
Click here to see answer by nerdybill(7384)

Question 501923: For his birthday Pranav mixed together 2 gallons of Brand A fruit punch and 10 gallons of Brand B fruit punch. Brand A contains 24% fruit juice. Brand B contains 60% fruit juice. What percent of the mixture is fruit juice.
Click here to see answer by solver91311(24713)

Question 501987: Adam wants tomake a 52% acid solution. He has already poured 2 fluid ounces of a 55% acid solution into a beaker. How many fluid ounces of a 50% acid solution must he add to make this mix.
Click here to see answer by lwsshak3(11628)

Question 502038: How many kg of salt are in 70 kiters
Click here to see answer by Alan3354(69443)

Question 502167: Paula mixes macadamia nuts that cost $9.00 per pound with 50 lbs of peanuts that cost $5.00 per pound. How many pounds of macadamia nuts should she mix to make a nut mixture that costs $6.50 per pound?
Click here to see answer by josmiceli(19441)

Question 502514: A coffee merchant combines coffee costing $5.00 per pound with coffee costing $3.50 per pound. How many pounds of each should be used to make 30 lb of a blend costing $4.20 per pound?
Click here to see answer by Alan3354(69443)

Question 502519: clair has received scores of 85,88,87 and 95. What is the minimum score she will need on the fifth test to get an overall average score of 90?
Can you please show the steps taken to get the answer
Click here to see answer by Alan3354(69443)

Question 502773: The owner of a candy store wanted to mix peanuts selling for $2 per pound, cashews selling for $9 per pound, and Brazil nuts selling for $7 per pound to get 50 pounds of a mixture that would sell for $5.20 per pound. She used 15 fewer pounds of cashews than peanuts. How many pounds of each did she use?
Click here to see answer by josmiceli(19441)

Question 502818: Peter has money in two savings accounts. One rate is 10% and the other is 15%. If he has $950 more in the 15% account and the total interest is $320, how much is in each savings account?
Click here to see answer by mananth(16946)

Question 502957: The sum of the reciprocals of two consecutive even integers a and b is
9/40
. Find the integers.
Click here to see answer by jrb1965(16)

Question 503047: how much of an 80% orange juice drink must be mized with 20 gallons of a 20% orange juice drink to obtain a mixture that is 50% orange juice
Click here to see answer by mananth(16946)

Question 503232: how much water must be added to 300 L of a solution so that its concentration may change from 25% to 20%?
Click here to see answer by Alan3354(69443)

Question 503240: A car radiator contains 10quarts of a 30% anitfreeze solution. How many quarts will have to be replaced with pure antifreeze if the resulting solution is to be 50% antifreeze
Click here to see answer by stanbon(75887)

Question 503163: How much fertilizer containing 8 % nitrogen should be mixed with a fertilizer containing 12% nitrogen to get 8 L of a fertilizer containing 11% nitrogen
Click here to see answer by Alan3354(69443)

Question 503261: At a cosmetics company, 24 L of pure aloe cream are mixed with 50 L of a moisturizer that is 63% aloe. What is the percent concentration of aloe in the resulting mixture?
Click here to see answer by josmiceli(19441)

Question 503268: A recipe for a rice dish calls for 14 oz of a rice mixture that is 30% wild rice and 6 oz of pure wild rice. What is the percent concentration of wild rice in the 20-ounce mixture?
Click here to see answer by josmiceli(19441)

Question 503241: Two bank loans, one for $5000 and the other for $3000, cost a toatl of$550 in interest for one year. The $5000 loan has an interest rate 3% lower than the interest rate for the $3000 loan. Find the interest rate for each loan.
Click here to see answer by mananth(16946)

Question 503347: Suppose that a pharmacist has a supply of a 30% solution of alcohol and a 70% solution of alcohol. How many quarts of each should be mixed to produce 60 quarts that is 50% alcohol?
thank you
Click here to see answer by mananth(16946)

Question 503339: A juice drink that is 60% real fruit juice is made by mixing some juice that is 15% real fruit juice with 36 oz of a juice that is 75% real fruit juice. Let x be the amount of the 15% real fruit juice that is in the mixture.Write an equation to find 15% real fruit juice that is in the mixture.
Click here to see answer by josmiceli(19441)

Question 503417: 45% solution mixed with 32% solution to form 91 liters, how much of the 45% solution is used?

Click here to see answer by ptaylor(2198)

Question 503604: a dealer wishes to produce a 60 pound mixture of candy to sell at $5 a pound< by mixing candy of $7 a pound and candy of $4 a pound. how many pound of each should u use?
Click here to see answer by lwsshak3(11628)

Question 503658: 1 ounce per 300 gallons. I have need to know how many ounces for 30 gallons
Click here to see answer by fsankare36(3)

Question 503758: Corn Syrup worth P44.80 a gallon and maple syrup worth P336 a gallon are mixed to form a mixture worth P132.16 a gallon. How many gallons of each kind of syrup are needed to make 50 gallons of the mixture?
Click here to see answer by mananth(16946)

Question 503890: How many gallons of a 25% alcohol solution must be mixed with 20 gallons of a 50% alcohol solution to make 30 gallons of a 40% alcohol solution?
Click here to see answer by josmiceli(19441)

Question 503923: A coin-operated telephone at a mall requires 40 cents for a local call. It takes quarters, dimes, and nickel and does not give change. How many combinations of coins could be used to make a local call?
Click here to see answer by oberobic(2304)

Question 503941: Leona is 12 years old, and her sister Vicki is 2 years old. How old will each of them be when Leona is twice as old as Vicki?
Click here to see answer by josmiceli(19441)

Question 503945: Mrs. Hernandez wants to put a picture of each of her 3 children on a shelf above her desk. In how many ways can she line up the pictures?
Click here to see answer by josmiceli(19441)

Question 503956: can someone please help me?
the perimeter of a rectangle field is 110 feet. the length is 7 feet more than twice the width. what is length of the rectangle?
Click here to see answer by nic0le116(25)

Question 504188: How much water must be evaporated from 240 gallons of a 3% salt solution to produce a 5% salt solution?
Click here to see answer by stanbon(75887)

Question 504560: Please help me answer this question: how many milliliters of pure water must be added to 100ml of a 4% salt solution to make a 2.5% salt solution?
Click here to see answer by jorel1380(3719)

Question 504564: Please help me with this equation: Flying with the wind, a small plane required 2h to fly 150 miles. Against the wind, it took 3h to fly the same distance. Find the rate of the wind.
Click here to see answer by jorel1380(3719)

Question 504565: Please help me with this equation: A restaurant manager buys 100lb of hambure and 50lb of steak for a total cost of $490. A second purchase at the same prices, includes 150lb of hambureger and 100lb of steak. Total cost is 860. Find the price of 1lb of steak.
Click here to see answer by jorel1380(3719)

Question 504569: Please help me with this equation: A company has two molds to form tires. One mold has a setup cost of $1,000 and the other has a setup cost of $3,000. The cost to make each tire with the first mold is $15, and the cost to make each tire with the second mold is $10.
*Find the break point?
Click here to see answer by jorel1380(3719)

Question 504591: I have been stuck on this word problem for forever! Please help me.
Army requirements call for 55 coffee grounds per quart of coffee. The cooks have one barrel of coffee with 67.5 grounds per quart in it and another barrel with 45 grounds per quart in it. How many quarts of each should they mix together to make up 1 quarts?
the answer is: eight quarts of the 67.5 grounds/quart and ten quarts of the 45 grounds/quart.
I just can't figure out how they got these answers. I've gotten a set of answers of my own that will work, but I would like to know how to get these answers.

thanks
Click here to see answer by Theo(13342)

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