Answer: $8.72
Explanation:
8.15 x 1.07 = 8.72
Answer:
$ 8.72
$8.15 + 7%·$8.15 =
= $8.15 + 7×8.15/100
= $8.15 + $57.05/100
= $8.15 + $0.57
= $ 8.72
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