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How many quartz of pure antifreeze must be added to 6 quartz of a 10 percent antifreezesolution to obtain a 20 percent antifreeze solution?
4.2 quarts
How many quarts of pure antifreeze must be added to 6 quarts of a 30 percent antifreeze solution to abtain a 40 percent antifreeze solution?
If my math is correct it would take an additional ( .6 of a U.S. quart of antifreeze ) to increase a 30 % antifreeze volume to 40 % if the total volume of the mixture is 6 quarts
How many ml of 15 percent solution are needed to make 1 gal of 2.5 percent solution?
(X gal)(0.15) = (1 gal)(0.025)0.15X = 0.025X = 0.17 gallons (4 quarts/1 gal.)(1 liter/1.06 quarts)(1000 ml/1 liter)= 642 milliliters============
How many quarts of 6 percent butterfat milk and 1 percent butterfat milk should be mixed to yield 75 quarts of 4 percent butterfat milk?
If 'X' is the number of quarts of 6 percent butterfat milk and 'Y' is the number of quarts of the 1 percent butterfat milk then: x + y = 75 quarts and (6x + 1y)/75 = 4 (because we want 4 percent per quart) then solving for the system of equations leads to: x = 45 quarts (the 6 percent) and y = 30 quarts (the 1 percent)
What is 20 percent of 12 quarts?
20% of 12 quarts= 20% * 12= 0.2 * 12= 2.4 quarts or 76.8 ounces (US measure)
