Answer:
$8.62
Explanation:
"%" means "divide by 100"
"of" means "times"
15% of $57.45 = 0.15×$57.45 = $8.6175 ≅ $8.62
15% is practically 0.15, and when you say 15% OF 57.45, the "of" refers to multiplication. This means, 15% of 57.45 is basically 0.15*57.45, or 8.6175. Since we're talking about money, that would be rounded to $8.62
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