King’s Service Station uses two kinds of cleaning solution containing acid and water. “Attack” is 2% acid and “Blast” is 6% acid. They want to mix the two to get 60qt of a solution that is 5% acid. How many quarts of each should they use.

Let a = number of quarts of "Attack"
Let b = number of quarts of "Blast"

1. 👍 0
2. 👎 0
3. 👁 93
1. .02a+.06b=amount of acid=.05(a+b)

and, a+b=60

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2. 👎 0

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