Answer:
$13.65
Explanation:
since each gallon is $3.25 and she put 4.2 gallons of gasoline into the tank, multiply to find your answer.
3.25*4.2=13.65
$3.25 x 4.2 = ?
3 x 4.2 = 12.6
0.25 x 4.2 = 1.05
12.6 + 1.05 = 13.65
$3.25 x 4.2 = 13.65
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