Answer:
F
Explanation:
It's $2 per quarts - so I multiplied 5 by 2 and got 10. Then I multiplied 6 by 2 and got 12. F is correct.
5 quarts of oil for $10
Cost per quart = 10 ÷ 5 = $2
6 quart of oil for $12
Cost per quart = 12 ÷6 = $2
In this constant proportionality = 2
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