SOLUTION: How many quarts of pure antifreeze must be added to 2 quarts of a 10% antifreeze solution to obtain a 40% antifreeze solution? and round to the nearest tenth as needed. My email
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Question 729856: How many quarts of pure antifreeze must be added to 2 quarts of a 10% antifreeze solution to obtain a 40% antifreeze solution? and round to the nearest tenth as needed. My email is golittlediva@yahoo.com Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! How many quarts of pure antifreeze must be added to 2 quarts of a 10% antifreeze solution to obtain a 40% antifreeze solution? and round to the nearest tenth as needed. My email is golittlediva@yahoo.com
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Let x = amount (quarts) of pure antifreeze added
then
x + .10(2) = .40(x+2)
x + .20 = .40x+.80
x = .40x+.60
.60x = .60
x = 1.0 quart
