well to find 30% of 120, first you have to make the percent a decimal, so .30. then all you have to do is mulitiply, so 120*.30=36 :)
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30 percent means 30/100 = 0.30 30% of 120 is 0.30 x 120 = 36
30% of $120 Soln: 30/100 × 120 12 ×3= $36
Do the math. 36 ÷ 120 = .3 = 30%
120
30% of 400 dollars = 400 dollars * 30/100 = 120 dollars.