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Question 1107389: To create a breakfast beverage, grapefruit juice in two concentrations, 13% and 37% are combined together and mixed before being added with another juice. If 270 gallons of the 13% juice is used, how many gallons of the 37% juice must be used to obtain a 17% grapefruit juice solution
Click here to see answer by VFBundy(438)

Question 1096643: Carlos invested part of $2000 in a 10% certificate account and the rest in a 6% passbook account. The total annual interest from both accounts is $180. How much did he invest at 6%?
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Question 1135611: A metallurgist has an alloy with 15% titanium and an alloy with 25% titanium. He needs 100 grams of an alloy with 21% titanium. How much of each alloy should be mixed to attain the 100 grams of alloy with 21% titanium?
Click here to see answer by VFBundy(438)

Question 1135642: Serena is making an experiment. For that, she needs 20 grams of a 52% solution of salt. She has two large bottles of salt water: one with 40% and the other with 70% of salt in them. How much of each must she use to make the solution she needs?
Click here to see answer by Boreal(15235)

Question 1135649: I'm having problems solving this:
I have a solution mixed at a concentration of 5 g/ml and need 100 gal mixed at 4 g/ml. What do I need to do?
Click here to see answer by MathLover1(20850)

Question 1135808: A car rents for $40 per day plus 20cents per mile. If x represents the number of miles Jorge drives per day, 40plus0.20x represents the cost of the rental. If Jorge has $92 to spend for the daily car rental, what is the maximum number of miles he can travel per day?
Click here to see answer by josgarithmetic(39617)

Question 1135863: If Solution A contains 41% potassium and Solution B contains 90% potassium. How much of each solution should be mixed in order to create 175 cups of a solution that contains 76% potassium?
Click here to see answer by josgarithmetic(39617)

Question 1136214: Becky Vallats is a plant engineer at Velda Farms Dairy Cooperative.She wishes to mix whole milk,which is 3.25% fat ,and skim milk,which has no fat,to obtain 260 gallons of a mixture of milk that contains 2% fat.How many gallons of whole milk and how many gallons of skim milk should Becky mix to obtain the desired mixture?
Click here to see answer by josgarithmetic(39617)

Question 1136302: If the total profit, in thousands of rands, for a product is given by the function: P(x) = 20√
x + 1 − 2x
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Question 1136322: I have food grade hydrogen peroxide that requires you to make a mixture of 11% water and 3% hydrogen peroxide. How much would that be in ounces say 10 ounces. How would I measure 3% of 10 ounces
Click here to see answer by josgarithmetic(39617)

Question 1136340: It takes 1 and five eighths
yd of fabric to make a costume for a school play. How much fabric would be needed for 10 costumes?
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Question 1136340: It takes 1 and five eighths
yd of fabric to make a costume for a school play. How much fabric would be needed for 10 costumes?
Click here to see answer by MathTherapy(10552)

Question 1136340: It takes 1 and five eighths
yd of fabric to make a costume for a school play. How much fabric would be needed for 10 costumes?
Click here to see answer by Alan3354(69443)

Question 1136344: A train leaves Little Rock, Arkansas, and travels north at 90 kilometers per hour. Another train leaves at the same time and travels south at 80 kilometers per hour. How long will it take before they are 680 kilometers apart?
Click here to see answer by josmiceli(19441)

Question 1136343: A pharmacist wishes to mix a solution that is 7% Minoxidil. She has on hand 70 ml of a 2% solution and wishes to add some 9% solution to obtain the desired 7% solution. How much 9% solution should she add?
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Question 1136348: The sum of 4 and negative 7, decreased by 5
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Question 1136348: The sum of 4 and negative 7, decreased by 5
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Question 1136342: A person owns two shops. This year the telephone bill for the first shop was $610 less than four times the telephone bill for the second shop. The total telephone expense for both shops was $2895. What was the cost of each shop's telephone service for the year?
Click here to see answer by josmiceli(19441)

Question 1136351: find two consecutive odd integers such that 47 more than the lesser is four times the greater.
Click here to see answer by Olasko(10)

Question 1136415:
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Question 1136582: 3 years ago Nora was 1/2 as old as Marie is now. Marie 4 years older then Nora, how old is Marie now?
Click here to see answer by josgarithmetic(39617)

Question 1136630: Ahmed can run a steady pace of 5m/s and Abdullah can only run at 4 m/s. Ahmed allows Abdullah a 15m headstart in a 100m race. How far from the starting line will Ahmed overtake Abdullah?
Click here to see answer by ikleyn(52781)

Question 1136765: To make a 6% acid solution, a chemist mixes some 4% acid solution with 12 L of 10% acid solution. How much of the 4% solution must be added to the 10% solution to make the 6% acid solution?

I'm guessing that I need to make x=4% but I'm not sure what I need to use for the other variable.
Click here to see answer by rothauserc(4718)

Question 1136786: A nurse has two solutions that contain different concentrations of a certain medication.one is a 12.5% concentration and the other is a 5% concentration.How many cubic centimeters of each should she mix to obtain 20 cubic centimeters of an 8% concentration?
Click here to see answer by josgarithmetic(39617)

Question 1136822: how many liters of a 12% alcohol solution must be added to 15 liters of a 5% alcohol solution to get a mixture that is 8% alcohol?
Click here to see answer by rothauserc(4718)

Question 1136848: A nurse wishes to prepare a 15-ounce topical antiseptic solution containing 3% hydrogen peroxide. To obtain this mixture, purified water is to be added to the existing 1.5% and 10% hydrogen peroxide products. If only 3 ounces of the 10% hydrogen peroxide solution is available, how much of the 1.5% hydrogen peroxide solution and water is needed?
Click here to see answer by josmiceli(19441)

Question 1136821: a 50 pound bag of a cement-sand mixture is 40% sand. How many pounds of pure 100% sand must be added for the resulting mixture to be 60% sand
Click here to see answer by josgarithmetic(39617)

Question 1136868: Suppose attending a certain university costs 25,500 dollars in the 2017−2018 academic year. This price includes tuition, accommodation, books andother expenses. Assuming an effective 3 percent inflation rate, compoundedquarterly for these costs, determine what the university costs will be in the2023−2024 academic yea
Click here to see answer by ikleyn(52781)

Question 1136869: A trust fund is being set up by a single payment so that at the end of 30years there will be 50,000 dollars in the fund. If the interest is compoundedcontinuously at an annual rate of 6 percent, how much money should be paidinto the fund initially?
Click here to see answer by ikleyn(52781)

Question 1137111: 10 liters of 25% salt solution and 15 liters of 35% sal solution are poured into a drum originally containing 30 liters of 10% salt solution.what is the percent concentration of salt mixtures?show solutions
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Question 1137199: Joan Arlington has twice as much money invested at 5% simple annual interest as she does at 4%. If her yearly income from the two investments is $364, how much does she have at each rate?
Click here to see answer by ikleyn(52781)

Question 1137197: Gabe Amodeo, a nuclear physicist, needs 60 liters of a 40% acid solution. He currently has a 30 % solution and a 60 % solution. How many liters of each does he need to make the needed 60 liters of 40% acid solution?
Click here to see answer by josgarithmetic(39617)

Question 1137196: Doreen Schmidt is a chemist. She needs to prepare 36 ounces of a 17% hydrochloric acid solution. Find the amount of 18% solution and the amount of 9% solution she should mix to get this solution.
Click here to see answer by josgarithmetic(39617)

Question 1137198: There were 345 tickets purchased for a major league baseball game. The lower reserved tickets cost $9.50 and the upper reserved tickets cost $8.00. The total amount of money spent was $2809.50. How many of each kind of ticket were purchased?
Click here to see answer by ikleyn(52781)

Question 1137195: Kathi and Robert Hawn had a pottery stand at the annual Skippack Craft Fair. They sold some of their pottery at the original price of $ 13.50 each, but later decreased the price of each by $1.00. If they sold all 89 pieces and took in $ 1 comma 133.50, find how many they sold at the original price and how many they sold at the reduced price
Click here to see answer by josmiceli(19441)

Question 1137260: Mrs. Hall is filling planter boxes with soil. She has soil that is 34% sand, and she buys 8 pounds of a commercial potting soil that is 28% sand. She mixes some of how soil with the 8 pounds of commercial potting soil. The resulting soil mixture is 30% sand. How many pounds of her soil did Mrs. Hall use?
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