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Question 410167: How many liters of a 20% acid solution must be added to 100 liters of a 50% acid solution to get a 40% solution?
Click here to see answer by josmiceli(19441)

Question 410206: I was wondering if someone could please help me answer this question. The question is as follows: Name one profession that use a straight line graph and tell how it is used?
Click here to see answer by solver91311(24713)

Question 410181: HELLO: A 35% acid solution needs to be mixed with a 70% solution to create a 20 liter mixture that is 40% acidic. How many of each solution is required?
Howard Wilcox
howdywilcox@comcast.net
Click here to see answer by checkley79(3341)

Question 410182: A nurseryman is preparing an insecticide by mixing a 95% solution with water (0% solution). How much solution and how much water are needed to fill a 500 gal tank with 3.8% solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 410281: Tim mixed 2/3 of 1 3/4 cups of flour with sugar and butter. What fraction of the flour did he use?
Click here to see answer by rfer(16322)

Question 410424: Meg combines N oz of a solution that is 10% chlorine with Y oz of a solution that is 20% chlorine. SHe ends up with a mixture that contains 1.2 oz of chlorine.
1. Write an equation relating N,Y,and the amount of chlorine in the mixture.
Click here to see answer by josmiceli(19441)

Question 410648: How many gallons of a solution of 20% acid must be blended with a solution of 5% acid to obtain 40 gallons of a solution of 12% acid?
Click here to see answer by ewatrrr(24785)

Question 410742: In addition to offering the individual types of coffee beans, Crystal sells several special blends. The house favorite, Crystal's Special Blend, contains a combination of French Roast and Kona Deluxe beans. How many pounds of Kona should she mix with 12lb of French Roast to get a blend to be sold for $10 a pound?
French Roast....$7.50/lb
Kona Deluxe....$ 11.50/lb
please help me I am so confused.
thanks
Click here to see answer by scott8148(6628)

Question 410641: one lap at the indianapolis speedway is 2.5 mi. in a race, a car stalls and then starts 30.0 s after a second car. the first car travels at 260 ft/s, and the second car travels at 240 ft/s. how long does it take the first car to overtake the second, and which car will be ahead after eight laps
Click here to see answer by ankor@dixie-net.com(22740)

Question 410530: Toni has a collection of dimes and quarters with a face value of $25.30. She has 27 more quarters than she has dimes. How many of each coin does she have?
Click here to see answer by ankor@dixie-net.com(22740)

Question 411126: If 200 workers can produce 60 cars in 2 hours how many cars can 260 workers produce in 3 hours?
Click here to see answer by rfer(16322)

Question 411139: A student averages 84 on five tests if a sutdent received grades of 84,82,81,79 on the first four exams what grade did the studen receive on the fifth exam
Click here to see answer by rfer(16322)

Question 411202: How much of a 5% solution must be added to 400ml of a 10% salt solution to obtain a 7% solution?
Click here to see answer by robertb(5830)

Question 411442: jake wishes to mix peants worth $1.38 a pound with cashews worth $2.10 a pound to get 8 pounds of mixture worth $1.65 a pound.how many pounds of peanuts does he need?
Click here to see answer by scott8148(6628)

Question 411451: I really need your help please. What is a mixture equation?
Click here to see answer by stanbon(75887)

Question 411420: how many cups of juice does a 3.5 gallon container contain.Solve using proportional reasoning or dimensional analysis. you cannot use the conversionfact 16 cups = 1 gallon
Please Help!!
Click here to see answer by scott8148(6628)

Question 411584: y=-2/3 x-2 how do graph using the slope y intercept?
Click here to see answer by MathLover1(20850)

Question 411703: A small tank contains 500 L of a 5% salt solution. How much water should be added to obtain a 2% salt solution?
Click here to see answer by Earlsdon(6294)

Question 411740: how many gallons of 90% antifreeze solution must be mixed with 90 gallons of 30% antifreeze to get a mixture that is 80% antifreeze
Click here to see answer by josmiceli(19441)

Question 412013: To get 90ml of a 35% sugar solution, a 65% solution is mixed with a 20% solution. How much of the 65% solution is needed?
Click here to see answer by stanbon(75887)

Question 412040: a private airplane flew 420 mi in 3 hours with the wind. The return trip against the wind took 3.5 hours. If the rate of the wind was the same on both trips and the plane flew at the same rate (speed) on both trips, what is the rate (speed) of the wind and the rate (speed) of the plane?
Click here to see answer by Alan3354(69443)

Question 411817: A farmer cooperative mixes two brands of cattle feed. Brand x cost $25 per bag and contains 2 units of nutritional element A, 2 units of element B, and 2 units of element C. Brand Y costs $20 per bag and contains 1 unit of nutritional A, 9 units of B and 3 units of C. Find the number of bags of each brand that should be mixed to provide a mixture having a minimum cost per bag. Requirements of nutrients A: 12 B:36 C:24 units.
Click here to see answer by ankor@dixie-net.com(22740)

Question 412038: Taxes are always going up. An article in the paper says that your property tax is going to be increased by 9%. If your current property tax is $2348 per year, what will be your new property tax? Round the amount to the nearest dollar.
Click here to see answer by nerdybill(7384)

Question 412152: Find how many quarts of 6% butterfat milk and 3 % butterfat milk should be mixed to yield 45 quarts of 5% butterfat milk
Click here to see answer by emargo19(101)

Question 412152: Find how many quarts of 6% butterfat milk and 3 % butterfat milk should be mixed to yield 45 quarts of 5% butterfat milk
Click here to see answer by josmiceli(19441)

Question 412225: An acid mixture is made by mixing 40% and 70% acid solution. How much of each should be used to get 12 liters of a 50% acid solution?
Click here to see answer by mananth(16946)

Question 412260: How much pure antifreeze must be added to 12 gallons of 20% antifreeze to make a 50% antifreeze solution?
Click here to see answer by stanbon(75887)

Question 412254: Aaron mixes 12 pounds of dried apricots that sell for $5 per pound with some dried cherries that sell for $8 per pound. If he wants the mix to be worth $7 per pound, then how many pounds of cherries should he use?
Click here to see answer by stanbon(75887)

Question 412299: how many liters each of 15% acid solution and 33% acid solution should be mixed to get 120 L of 21% acid solution?
what i have so far.
liter of sol. percent liter of acid
x 15% .15 .15x
y 33% .33 .33y
120 21% .21 .21(120)

Click here to see answer by stanbon(75887)

Question 412657: a 9 gallon solution with 60% sugar is added with another solution with 90% sugar to make a mix of 85% . What is the number of gallons for the 2nd solution?
i got 36 is that correct?
Click here to see answer by josmiceli(19441)

Question 412675: how much pure acid is in 520 millileters of a 12% solution
Click here to see answer by rfer(16322)

Question 412860: We have a 20% alcohol solution and 50% alcohol solution. How many pints must be used from each to obtain 8 pints of a 30% solution?
Click here to see answer by mananth(16946)

Question 412991: If 4 quilts are made 90 days, How many days will it take to make 6 quilts?
Click here to see answer by josmiceli(19441)

Question 413042: a certain mixture is made by mixing two ingredients in the ratio 7 to 8. if it is required to make 30 pounds of mixture, how much of each ingredient will be needed? The first pound and second pound ?
Click here to see answer by Theo(13342)

Question 413142: how many cups of an 18% salt solution must be added to 16 cups of a 25% solution to get a 20% solution
Click here to see answer by ewatrrr(24785)

Question 413408: A hospital staff mixed a 75% disinfectant solution with a 25% disinfectant solution. How many liters of each were used to make 20 L of a 45% disinfectant solution?

Click here to see answer by kamallohia(18)

Question 414153: how much water must be added to 300 gallons of 85% alcohol in order to reduce it to 70% alcohol?
Click here to see answer by josmiceli(19441)

Question 414153: how much water must be added to 300 gallons of 85% alcohol in order to reduce it to 70% alcohol?
Click here to see answer by Alan3354(69443)

Question 414226: How many gallons of a 3% salt solution must be mixed with 30 gallons of a 9% solution to obtain a 6% solution?
Click here to see answer by dnanos(83)

Question 414232: How many gallons of a 3% salt solution must be mixed with 30 gallons of a 9% solution to obtain a 6% solution?
Click here to see answer by mananth(16946)

Question 414687: a watertank empty in 42 seconds from 1st hole and empty in 30 seconds from the 2nd hole.in how many time the watertank will be empty when both holes are opened.make alinear equation and draw agraph.
Click here to see answer by nerdybill(7384)

Question 414711: Avending machine contains nickels and dimes worth $14.50. There are 95 more nickels than dimes. Hom many nickels and how many dimes are there?
Click here to see answer by ewatrrr(24785)

Question 414817: how many liters of a 3%saline solution must be added to an 8% saline solution to obtain 20 liters of a 6% saline solution
Click here to see answer by nerdybill(7384)

Question 414846: How many milliliters of water must be added to 12 ml of a 60% salt solution in order to produce a 42% salt solution? Round your answer to the nearest tenth.
Click here to see answer by stanbon(75887)

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