How many quarts of pure antifreeze must be added to 2 quarts of a 40% antifreeze solution to obtain a 60% antifreeze solution?
1 answer:
Answer:
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
Step-by-step explanation:
Hope this helps!
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