50% of $30 is $15. The easiest way to do this is to just divide 30 by two, since 50% is half off.
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To find 30 percent of a value, multiply the value by 0.3. In this instance, 0.3 x 50 = 15. Therefore, 30 percent of 50 dollars is equal to 15 dollars.
$65.00
30 percent of 70 dollars will be approximately $21 US dollars.
30% of $120 Soln: 30/100 × 120 12 ×3= $36
30% of 400 dollars = 400 dollars * 30/100 = 120 dollars.
30 % of 70 dollars = (30 / 100) * 70 = 21 dollars