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Question 497522: how much of a 60% orange juice drink must be mixed with 4 gallons of a 30% orange juice drink to obtain a mixture of 50% orange juice?
Click here to see answer by mananth(16946)

Question 497536: Shanika has invested in 3 different stocks. Stock A is currently worth $4.50 per share. Stock B is worth $7.00 per share, while stock C is worth $10.00 per share. Shanika purchased half as many shares of stock B as stock A and half as many shares of stock C as stock B. If her total investments are currently worth %546, how many shares of each stock does she own?
Click here to see answer by mananth(16946)

Question 497543: Manuel traveled 5 hours nonstop to mexico, a total of 293 miles. He took a train part of the way, which averaged 70mph, and then took a bus the remaining distance, which averaged 40mph. how long was manuel on the train?
Click here to see answer by mananth(16946)

Question 497559: Nicholas is a toy collector and is investing in Webkins stuffed animals. He purchased some basset hounds for $50 each and twice as many black cats for $13 each. If Nicholas spent a total of $304, how many basset hounds and how many black cats did Nicholas purchase?
Click here to see answer by lmeeks54(111)

Question 497602: The difference between the two numbers is a whole number less than 2?
Click here to see answer by solver91311(24713)

Question 497948: What is the slope of 3x=1-4y
The x intercept
The y intercept
Click here to see answer by jorel1380(3719)

Question 497944: What is the slope of
3x=1-4y
Click here to see answer by ptth176(50)

Question 498280: Given a stock solution of 5.0% sodium chloride (NaCl), how would you prepare 20 ml of a 2.0% sodium chloride solution? (I have tried many of the examples you give others but I can't work it out for some reason.)
Click here to see answer by josmiceli(19441)

Question 498252: Eleven years ago, Max was three times as old as his son. Three years from now, he will be twice as old as his son. Find the current ages of Max and his son.
Click here to see answer by Maths68(1474)

Question 498653: how do i setup an equation for the following problem i am very confused: HOW MANY POUNDS OF NUTS WORTH $4.20 PER POUND MUST BE MIXED WITH 12 POUNDS OF NUTS WORTH $3 PER POUND TO PRODUCE A MIXTURE THAT CAN BE SOLD FOR $3.90 PER POUND
Click here to see answer by Earlsdon(6294)

Question 498675: hana walked from her home to a bicycle repair shop at a rate of 3.5mph and then rode her bicycle home at a rate of 14mph if the total time spent traveling was 1hour how far from hanas home is the repair shop
Click here to see answer by josmiceli(19441)

Question 498748: If have a 50 lb. bag of dry powder that is to be mixed with 6.5 quarts of water, but I only need to mix a very small amount of the product.
If I want to use only 1/2 lb. of powder, how much water would I use?
Click here to see answer by ptaylor(2198)

Question 498929: A chemist combines HCl acid solutions of 40%, 50%, and 25% to get 200 liters of a 32% HCl solution. If the chemist uses twice as much of the 25% HCl solution as of the 40% HCl solution, find how many liters of each kind he uses.
Click here to see answer by chessace(471)

Question 498964: Question:An attendant removes a certain amount of 20% antifreeze and replaces the same amount with 80% antifreeze to form 15qts of 60% antifreeze.
Request: Can you show me and explain the work for this problem
Click here to see answer by chessace(471)

Question 498980: Due to a lack of funding, the number of students enrolled at City College went from 6000 last year to 2000 this year. Find the percent decrease in enrollment. (Round to the nearest tenth of a percent, if necessary.)

Click here to see answer by Theo(13342)

Question 498914: How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 95% antifreeze?
Click here to see answer by ankor@dixie-net.com(22740)

Question 498905: In a solution of water and alcohol, the ratio of water to alcohol is 4 to 1.
a) If there are 3 liters of alcohol, how many total liters of the solution are there? 15 liters
b) What is the percent of alcohol in this solution? 25%
---> c) If you have 35 liters of this solution, how many liters of water would you need to add to make a solution that is 5% alcohol?
Click here to see answer by ankor@dixie-net.com(22740)

Question 498997: Given the numbers 1 - 9; arrange them so that the sum of two 3-digit numbers equals a 3 digit number
Click here to see answer by chessace(471)

Question 499220: In a certain medical test designed to measure carbohydrate tolerance, an adult drinks 3 ounces of a 80% glucose solution. When the test is administered to a child, the glucose concentration must be decreased to 50%. How much 80% glucose solution and how much water should be used to prepare 3 ounces of 50% glucose solution?

Click here to see answer by oberobic(2304)

Question 499238: i'm trying to solve this problem but i really have no idea how to do it.
How many milliliters of a 6% alcohol solution must be added to 12 milliliters of a 31% alcholol solution to produce a 16% alcohol solution?
Click here to see answer by Earlsdon(6294)

Question 499299: How many cups of grapefruit juice must be added to 40 cups of a punch that is 2% grapefruit juice to obtain a punch that is 10% grapefruit juice?
Click here to see answer by oberobic(2304)

Question 499343: The manager of a coffee shop has one type of coffee that sells for $6 per pound and another type that sells for $13 per pound. The manager wishes to mix 30 pounds of the $13 coffee to get a mixture that will sell for $9 per pound. How many pounds of the $6 coffee should be used?
Click here to see answer by oberobic(2304)

Question 499339: what is the mass of a 1 cup of a 12% alcohol-water solution?
10% solution is 0.98569
15% is 0.98024
Click here to see answer by chessace(471)

Question 499423: jennifer is 6 years older than sue. in 4 years, she will be twice as old as sue was 5 years ago. find their ages now.
Click here to see answer by oberobic(2304)

Question 499429: How many liters of a 10% acid solution must be mixed with a 50% acid solution in order to obtain 30 liters of a 30% solution?
Click here to see answer by Alan3354(69443)

Question 499482: how many gallons of 50% antifreeze solution must be mixed with 80 gallons of 15% anifreeze to get a mixture that is 40% anitfreeze?
Click here to see answer by nerdybill(7384)

Question 499513: a chemist has two solutions of HCL. One has a 40% concentration and the other has a 25% concentration. how many liters of each solution must be mixed to obtain 65liters of a 29% solution
Click here to see answer by mananth(16946)

Question 499496: To buy both a car and a new house, Tina sought two loans totaling $260,394.00 The simple interest rate on the first loan was 3.7% while the simple interest rate on the second loan was 8.8%. At the end of the first year, Tina paid a combined interest payment of $22,611.73. What were the amounts of the two loans?
Click here to see answer by mananth(16946)

Question 499724: Katherine has eater 5/8 of a box of candy. If she gives Mary 1/2 of the remainder, how much is left? I think it would be in lbs.
Click here to see answer by Edwin McCravy(20054)

Question 499889: How much water should be added to 30mL of 20% alcohol solution to reduce the concentration to 15%? Please show me how to get this answer.
Click here to see answer by oberobic(2304)

Question 499977: How much pure silver must be alloyed with a 36% silver alloy to obtain 100 gm of a 52% alloy?
Click here to see answer by Alan3354(69443)

Question 500026: How many milliliters of a 7% alcohol solution must be added to 5 milliliters of a 31% alcholol solution to produce a 15% alcohol solution?
Click here to see answer by mananth(16946)

Question 500050: A radiator contains 15 quarts of fluid, 40% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 60% antifreeze?
Click here to see answer by mananth(16946)

Question 500206: How many milliliters of a 5% alcohol solution must be added to 6 milliliters of a 25% alcholol solution to produce a 13% alcohol solution?
Click here to see answer by mananth(16946)

Question 500204: how many quarts of pure antifreeze must be added to 9 quarts of a 30% antifreeze solution obtain a 50% antifreeze solution
Click here to see answer by mananth(16946)

Question 500208: How many milliliters of a 47% alcohol solution must be added to 9 milliliters of a 7% alcholol solution to produce a 17% alcohol solution?
Click here to see answer by mananth(16946)

Question 500211: How many gallons of 25% antifrezze solution should be added to 5 gallons of a 10% solution to obtain a 15% solution?
Click here to see answer by mananth(16946)

Question 500265: How many liters of 15% acid solution must be added to a 120 liters of 35% acid solution to obtain a solution that is 22%. (use Fraction for answer)
Click here to see answer by mananth(16946)

Question 500305: how many quarts of a 15% salt solution must be mixed with 8 quarts of a 25% salt solution to obtain a 17.5% salt solution?
Click here to see answer by nerdybill(7384)

Question 500263: A gardener has 26 lb of a mixture of fertilizer and weed killer. If 1 lb of the mixture is replaced by weed killer the result is a mixture that is 5 percent weed killer. What percent of the original mixture was weed killer?
Click here to see answer by ankor@dixie-net.com(22740)

Question 500261: How much water must be evaporated from the 15 liters of the 12 percent dye solution to obtain a solution that is 20 percent dye? Assume that the total amount of dye is not affected by the process of evaporation.

Click here to see answer by ankor@dixie-net.com(22740)

Question 500524: Directions: Give the total amount of the mix that results and the percent concentration or worth of the mix.
1. Two quarts of 100% orange juice are mixed with 2 quarts of water (0% juice).
So far I have:
(1st quantity*concentration)+(2nd quantity*concentration)=1st+2nd quantity* desired concentration
which I turned into:
2(1)+2(0)=x, where x is the amount of mix...maybe?
I'm not sure if I'm doing this right. My answer is x=2. I'm not even sure if that answers the question! So I am also asking what is the question asking for, besides how do you solve it?
Click here to see answer by chessace(471)

Question 500723: find the cost per ounce of salad dressing mixture made from 64oz of olive oil that costs $8.29 and 20oz of vinegar that costs $1.99. round to the nearest cent
Click here to see answer by oberobic(2304)

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