SOLUTION: How many quarts of pure antifreeze should replace some of the 10 quart mixture of 40% antifreeze in a radiator to convert the 10 quart mixture in the radiator to 80% antifreeze

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: How many quarts of pure antifreeze should replace some of the 10 quart mixture of 40% antifreeze in a radiator to convert the 10 quart mixture in the radiator to 80% antifreeze       Log On


   

Question 928698: How many quarts of pure antifreeze should replace some of the 10 quart mixture of 40% antifreeze in a radiator to convert the 10 quart mixture in the radiator to 80% antifreeze
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
1•x + .40(10L) = .80(10L + x)
x = .40(10L)/.20