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Question 946910: What is a better deal, a 16 oz of orange juice for $3.20 or 10 oz of orange juice for $2.10? Why?

Click here to see answer by Fombitz(32388)

Question 946910: What is a better deal, a 16 oz of orange juice for $3.20 or 10 oz of orange juice for $2.10? Why?

Click here to see answer by josgarithmetic(39617)

Question 947075: A coffee merchant combines coffee that costs $7 per pound with coffee that costs $2.60 per pound. How many pounds of each should be used to make 22 lb of a blend costing $5.90 per pound?
Click here to see answer by lwsshak3(11628)

Question 947090: A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin B2. The second is 15% vitamin B1 and 20% vitamin B2. How many milligrams of each powder should the pharmacist use to make a mixture that contains 80 mg of vitamin B1 and 200 mg of vitamin B2?
Click here to see answer by josgarithmetic(39617)

Question 947061: A 15% acid solution is to be mixed with a 35% acid solution to produce 12 ounces of a 22% acid solution. How much of the 15% acid solution is needed?
Solution
Let x =
__ y =_______________________________
Click here to see answer by josgarithmetic(39617)

Question 947166: How many pounds of candy worth $2.50 Per pound must be added to 20 pounds of Chocolate worth $10.50 per pound to form a mixture worth $7.50 per pound?
Click here to see answer by josgarithmetic(39617)

Question 947314: Please help solve or confirm if solved correctly:
If 6 tablespoons=1 fluid ounce, how many fluid ounces in (10x-4) tablespoons?
Do you take 10(6)-4=y
60-4=y
54 fluid ounces as the answer?
Thank you
Click here to see answer by Alan3354(69443)

Question 947377: Add 10 mL of AquaSafe purifying liquid for every 38 L of water. How many mL of AquaSafe liquid should I add if I only have 1 L of water?
Click here to see answer by josgarithmetic(39617)

Question 947479: A grocer wishes to blend two different coffee brands because he wants to make a blend of 480 pounds to sell at $2.68 a pound. If he uses a brand of coffee worth $2.50 a pound with another brand worth $2.80 a pound, how many pounds of each does he use?
Click here to see answer by Alan3354(69443)

Question 947477: How much pure alcohol must a nurse add to 10 cm^3 of a 60% alcohol solution to strengthen it to a 90% solution?
Click here to see answer by Alan3354(69443)

Question 947477: How much pure alcohol must a nurse add to 10 cm^3 of a 60% alcohol solution to strengthen it to a 90% solution?
Click here to see answer by josmiceli(19441)

Question 947427: how many liters of a 60% acid solution must be mixed with a 15% acid solution to get 405 L of a 50% acid solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 947478: A florist wishes to make bouquets of mixed spring flowers. Part of each bouquet is to be tulips at $5 a bunch and part is to be daffodils at $2 a bunch. How many bunches of each should she use to make 15 bouquets which she can sell for $3 a bouquet.
Click here to see answer by macston(5194)

Question 947780: A contractor has a 12-poind mixture that is one-fourth cement and three-fourths sand. How much of a mixture that is half sand needs to be added to produce a mixture that is one-third cement?

I cannot figure out how to set this up at all
Click here to see answer by MathLover1(20850)

Question 947831: Everyone who donates blood gets 150 ml of orange juice each. How many glasses of orange juice can a nurse full from a 4l cask
Click here to see answer by josgarithmetic(39617)

Question 947840: How much water should be evaporated from 100 liters of 40% vinegar solution to increase the acidity to 80%?
Click here to see answer by Fombitz(32388)

Question 947949: A 40% solution of fertilizer is to be mixed with a 80% solution of fertilizer in order to get 40 gallons of a 70% solution. How many gallons of the 40% solution and 80% solution should be mixed?
Click here to see answer by Alan3354(69443)

Question 947980: a university maintains a student-teacher ratio of 33 to 5. If a total of 3366 students are registered for the next spring, how many teachers will be needed to maintain the ratio?
Click here to see answer by rfer(16322)

Question 948169: Miranda wants to make 16L of a 50% saline solution by mixing together a 20% saline solution and a 60% saline solution. How much of each solution must she use?
Click here to see answer by lwsshak3(11628)

Question 948170: a new self-tanning for everyday use is to be sold. first an experimental lotion mixture is made by mixing 700 ounces of everyday lotion worth $.70 an ounce, with self tanning lotion worth $4 per ounce. if the experimental lotion is to cost $1.90 per ounce how many ounces of self tanning lotion should be in the mixture?
What equation/formula would you use to figure this out?
Click here to see answer by lwsshak3(11628)

Question 948185: you spent $4 on seven pounds of rice and cereal. Rice costs $0.55 per pound and cereal costs $.70 per pound. How many pounds of rice did you buy?
Click here to see answer by lwsshak3(11628)

Question 948256: How many liters of a 10% alcohol solution must be mixed with 90 liters of a 60% solution to get a 30% solution?
Click here to see answer by etutorworld(19)

Question 948444: a 10 quart radiator contains 25% antifreeze sol. how much must be drained away and be replaced with pure antifreeze to raise the solution to 70%?
Click here to see answer by josgarithmetic(39617)

Question 948394: A farmer needs to mix 12 ounces of fertilizer for every 10 pounds of soil. How many pounds of fertilizer will the farmer need to make a mix that contains 120 pounds of soil?
Click here to see answer by macston(5194)

Question 948509: Suppose 9 quarts of a solution that is 95% antifreeze is mixed with 7 quarts of a solution that is 55% antifreeze.
(a) How many quarts of antifreeze are in the resulting mixture?
Quarts ___________
(b) What percentage of the resulting mixture is antifreeze?
% ___________

Click here to see answer by macston(5194)

Question 948691: A pharmacist has a 10% alcohol solution and a 25% alcohol solution. How many milliliters of each solution will she need to mix together in order to have 200 mL of a 20% alcohol solution?

Click here to see answer by Alan3354(69443)

Question 948788: A dealer wishes to mix cashew nuts selling at
192 dollars per kilogram and peanuts selling at 168 dollars per kilogram.
How much of each kind of nuts should be mixed to get 8 kilograms worth
174 dollars per kilogram?(I know the prices are absurd but please answer them)
(Pls HElp DUE TOMMOROW HARD )
Click here to see answer by josgarithmetic(39617)

Question 949034: Two angles are complementary. One angle is 10 more than 3 times the other angle. Find the measure of each angle.
Click here to see answer by rfer(16322)

Question 949033: Two positive numbers have a difference of 8. The larger number is 2 less than 3 times the smaller number. Find the numbers.
Click here to see answer by macston(5194)

Question 949014: If 11.6 oz is 35% how many oz is 65%

Click here to see answer by macston(5194)

Question 949134: If I need to buy 1 lb. 12.8 oz of beans and each pound cost $2.25 how much would I pay?

Click here to see answer by josgarithmetic(39617)

Question 949134: If I need to buy 1 lb. 12.8 oz of beans and each pound cost $2.25 how much would I pay?

Click here to see answer by macston(5194)

Question 949134: If I need to buy 1 lb. 12.8 oz of beans and each pound cost $2.25 how much would I pay?

Click here to see answer by MathTherapy(10552)

Question 949252: A product costs 30 dollars for 10 pounds. How much does it cost per ounce?
Click here to see answer by macston(5194)

Question 949323: The price of a screw is lowered by 1c.Before the reduction you could buy screws with 80c and get no change . Now you get one screw more and 3c change. Calculate the orignal price of one screw.
My solution:
Let x=price of each screw and Y= price of screws
Scenario 1. (X-1)
Scenario 2. ( Yx=80)
Scenario 3. (Y(x+1)=80-77)
Click here to see answer by ankor@dixie-net.com(22740)

Question 949485: prove the identities 1/(〖tan〗^2 ϴ+1)+1/(〖cot〗^2 ϴ+1)=1
i know tan^2 ϴ+1 = sec^2 ϴ
and cot^2 ϴ+1 = csc^2 ϴ
then sec^2 ϴ is (1/cosϴ)^2
and csc^2 ϴ is (1/sinϴ)^2
cos^2 ϴ + sin^2 ϴ = 1
please help ... to prove
Click here to see answer by Alan3354(69443)

Question 949534: Is it possible to mix a 10% acid solution and a 40% acid solution to obtain a 60% acid solution? Why or why not?
Click here to see answer by Alan3354(69443)

Question 949631: Hi I'm really struggling with this word problem and I have tried it but not sure how they came up with the answers please help thank you so much!
"How many ounces of Skin Soother�men�s cologne (unit price: $2.40 per ounce) must be mixed with Cool�Sport�men�s cologne (unit price: $1.60 per ounce) to make 8 ounces of a mixture having a unit price of $1.90 per ounce?"
Click here to see answer by josgarithmetic(39617)

Question 949754: Suppose that you have a supply of a 40% solution of alcohol and a 60% solution of alcohol. How many quarts of each should be mixed to produce 20 quarts that is 50% alcohol?
Click here to see answer by Alan3354(69443)

Question 949946: Two angels are complementary. One angle is 10 less than three times the other angle. Find the measure of both angles.
Click here to see answer by addingup(3677)

Question 949945: Two numbers have the sum of 79. One number is 10 more than twice the other number. Find the values of the numbers?
Click here to see answer by addingup(3677)

Question 950013: What part of 90% alcohol must be removed and replaced by an equal amount of pure alcohol to make 95% alcohol solution?
Click here to see answer by josgarithmetic(39617)

Question 949996: A radiator holds five gallons of fluid. If it is full with a 15% solution, how much fluid should be drained and replaced with a 65% antifreeze mixture to result in a 40% antifreeze mixture?
Click here to see answer by josgarithmetic(39617)

Question 950203: Coffee worth $ 1.05 per pound is mixed with coffee worth $0.85 per pound to obtain 20 pounds of mixture worth $0.90 per pound. How many pounds of each type of coffee were used?
Click here to see answer by stanbon(75887)

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