total oil required = 6(machines)*5(q/machine) = 30 q
since 1 gallon = 4 quarts
30 quarts = 7g+2q
7g*$12/g+2q*$5/q = 94 $
ans- $94 (b)
since 1 gallon = 4 quarts
30 quarts = 7g+2q
7g*$12/g+2q*$5/q = 94 $
ans- $94 (b)
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