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Anonymous
30% off of 42 = 70% of 42 = 42*70/100 = 29.40
Wiki User
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70 percent of 60 dollars = 42 dollars.
$31.50
42- you figure this out by changing the percent into a decimal and multiplying it. 0.3 x 140=42
42
42/30 = 1.4 = 140 %