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Question 284774: How much water must a landscaper add to a 10% solution of selective herbicide to create 5 gallons of 4% solution? How much of the 10% solution did the landsccaper have before he added the water?
Click here to see answer by richwmiller(17219)

Question 284889: Write a complete solution:
How many liters of a 20% alcohol solution should maria mix with 50 liters of a 60% alcohol solution to obtain a 30% solution?
Click here to see answer by nyc_function(2741)

Question 285111: How many gallons of water should be added to 30 gallons of a solution that is 70% antifreeze in order to obtain a mixture that is 60% antifreeze?
Click here to see answer by richwmiller(17219)

Question 285515: how many gallons of a 25% solution must be mixed with 60 gallons of a 50% solution to get a 30% solution?
Click here to see answer by ptaylor(2198)

Question 285647: A pharmacist wants to make a solution that is 60% alcohol. On the shelf are two bottles of 40% and 20% strength alcohol. Explain the step(s) and the outcome of this mixture.

Click here to see answer by stanbon(75887)

Question 286053: Please help me with my homework problem. I'm not getting the right answer. Thank you!
A chemist has 10cm3 of a 20% solution how many cubic centimeters of water should she add to produce a 5% salt solution.
Click here to see answer by ptaylor(2198)

Question 286109: The owner of a tea shop wants to mix three kinds of tea to make 100oz of a mixture that will sell for $0.83 per oz. He uses Orange Pekoe, which sells for $0.80 per oz, Irish Breakfast, for $0.85 per oz, and Earl Grey which sells for $0.95 per oz. If he wants to use twice as much Orang Pekoe as Irish Breakfast, how much of each kind of tea should be used?
Click here to see answer by ankor@dixie-net.com(22740)

Question 286181: if 10 kg pure acid are added to 15 kg of pure water, what percent of the rusulting is acid?
Click here to see answer by oberobic(2304)

Question 286184: In the chemistry laboratory. Jim is working with six large jars of capacities 5 L,4 L,3 L,2 L,1 L and 10 L. the 5 L jar is filled with an acid mix, and the rest of the jars are empty. Jim uses the 5 L jar to fill the 4 L jar and pours the excess into the 10 L jar. Then he uses the 4L jar to fill the 3 L jar and pours the excess into the 10 L jar. He repeats the process until all but the 1 L jar is empty. What percent of the 10 L jar is filled?
Click here to see answer by richwmiller(17219)

Question 286309: 15. A chemist needs 130 milliliters of a 47% solution but has only 35% and 87% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.

Click here to see answer by richwmiller(17219)

Question 286358: An urn is filled with coins and beads, all of which are either silver or gold. Twenty percent of the objects in the urn are beads. Forty percent of the coins in the urn are silver. What percent of the objects in the urn are gold coins?
A. 40% B. 48% C. 52% D. 60% E. 80%

Click here to see answer by CharlesG2(834)

Question 286498: In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
Click here to see answer by richwmiller(17219)

Question 286666: If I have ten pounds of peanuts at 3.50 a pound.. how many pounds of almonds do I need to mix in at $3 a pound in order to have a cost of $3.40 a pound?
Click here to see answer by richwmiller(17219)

Question 286696: a ship sails from ny to england at 33 mph and a plane starts at the same time at 605 mph. The plane arrives in england 104 hours less time than the ship. How far is it from ny to england
Click here to see answer by ankor@dixie-net.com(22740)

Question 286884: A radiator hold 15 liters. How much pure antifreeze must be added to a mixture that is 10% antifreeze to make enough of a 25% mixture to fill the radiator?
Click here to see answer by ptaylor(2198)

Question 287104: how much of a 50% saline solution must be added to 100ml of 20% saline solution to make a mixture that is 40% saline?

Click here to see answer by stanbon(75887)

Question 287342: If 35% of a 140 gram pitcher is lemonade powder. How many grams of water should be added to the mixture so that the powder makes up 25% of the lemonade mixture?
Click here to see answer by ankor@dixie-net.com(22740)

Question 287642: A pharmacist mixed some 10%-saline solution with some 18%-saline solution to obtain 100 mL of a 14% solution. How much of the 10% solution did the pharmacist use in the mixture

Click here to see answer by richwmiller(17219)

Question 287882: 11. In printing an article of 48,000 words, a printer decides to use two sizes of type. Using the
larger type, a printed page contains 1,800 words. Using a smaller type, a page contains
2,400 words. The article is allotted 21 full pages in a magazine. How many pages must be
in smaller type? ___________
Click here to see answer by richwmiller(17219)

Question 287930: You have 2 drums of milk, one contains 16% butterfat, the other contains 48% butterfat. You need 40 gallons of milk at 30% butterfat. How many gallons of each do you have to mix?
Thank you for your time.
Regards,
Beth
Click here to see answer by Grinnell(63)

Question 287992: How many pounds of cream containing 25% butterfat should be added to 100 pounds of milk containing 1.5% butterfat to produce milk containing 3% butterfat?
Click here to see answer by richwmiller(17219)

Question 288040: A certain orange beverage contains only 10% juice. How much juice has to be added to one litre of this drink so that the new mixture will contain 40% juice?
a) 0.2 litre b) 0.3 litre c) 0.4 litre d) 0.5 litre e) 0.6 litre
Click here to see answer by stanbon(75887)

Question 288326: A richly flavored coffee sells for $7 per pound and a hazelnut coffee sells for $4 per pound. The store owner decided to sell a blend of the two coffees. How much of the richly flavored coffee should she mix with 12 pounds of the hazelnut coffee to get a mixture that sells for $6 per pound?
Click here to see answer by richwmiller(17219)

Question 289110: matt needs 45 liters of 20% solution. He has only 15% solution and 30% solution on hand. How many liters of each solution should he combine to make the mixture?
Click here to see answer by CharlesG2(834)

Question 290177: I have 2 problems, hear they are.
A gallon of vinegar is labelled 5% acidity. How many fluid Ounces of pure acid must be added to get 6% acidity?

Click here to see answer by stanbon(75887)

Question 290207: How many ounces of a 20% acid solution must be mixed with 30 ounces of a 60% solution to obtain a 50% solution?
Click here to see answer by richwmiller(17219)

Question 290340: Two hoses fill a pool. 1st one fills the pool by itself in 4 hours/ The 2nd one fills it in 9 hours by itself.
How long does it take for both hoses to fill the pool?
Click here to see answer by richwmiller(17219)

Question 290381: a chemist mixes 12 L of a solution that is 45% acid with 8 L of a solution that is 70% acid. What is the percent of acid of the mixture?
Click here to see answer by brucewill(101)

Question 290698: how much water needs to be added to 3 quarts of 96% alcohol to produce a mixture that is 75% alcohol? (concentration of alcohol in water is 0%)
Click here to see answer by richwmiller(17219)

Question 290872: a 20% ammonia solution and a 5% ammonia solution are to be mixed to obtain 50 gallons of an 8% solution. how much of each should be used fill out a tabel
Click here to see answer by checkley77(12844)

Question 290923: A candy mixture is created with 2 types of candy, one costing $4 per pound and the other $3.50 per pound. How much of each type is needed for a 5 pound box that costs $18?
Click here to see answer by stanbon(75887)

Question 291345: The area of a rectangle is twice the area of a square. If the rectangle is 8 inches long, and the width of the rectangle is the same as the length of a side of the square, find the dimensions of both the rectangle and the square.

Click here to see answer by richwmiller(17219)

Question 291346: The area of a rectangle is twice the area of a square. If the rectangle is 8 inches long, and the width of the rectangle is the same as the length of a side of the square, find the dimensions of both the rectangle and the square.

Click here to see answer by richwmiller(17219)

Question 291609: Please help me solve this problem...A pharmacist has 20% of a 10% drug solution. How many liters of 5% solution must be added to get a mixture that is 8%?
Click here to see answer by richwmiller(17219)

Question 291723: How many liters of 10% saline solution must be added to 4 liters of 40% saline solution to get a 15% saline solution?
Click here to see answer by nerdybill(7384)

Question 292349: If it takes 3 people 4 hours to clean a warehouse, how long will it take 4 people to clean the warehouse?
Click here to see answer by Edwin McCravy(20055)

Question 292349: If it takes 3 people 4 hours to clean a warehouse, how long will it take 4 people to clean the warehouse?
Click here to see answer by oberobic(2304)

Question 293030: A 12-quart cooling system is tested and found filled with a 60% antifreeze solution. The ideal solution should be a 50% antilfreeze solution. How many quarts of solution needs to be drained and replaced with pure water to reach the ideal mixture?
Click here to see answer by ankor@dixie-net.com(22740)

Question 293029: A storage container hols 120 liters of fuel which is 3% oil and 97% gas. HOw many liters of oil should be added for use in an engine that requires a 10% oil mixture?
Click here to see answer by richwmiller(17219)

Question 292208: How much of a solution that is 20% alcohol should be added to 200 ounces of a solution that is 50% alcohol so that the resulting solution is 30% alcohol?
Click here to see answer by richwmiller(17219)

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