How do I find 20% of 150?
Multiply 150 by 20 and divide by 100. The answer is 30.
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Multiply 150 by 20 and divide by 100. The answer is 30.
(New − Old) ÷ Old × 100. From 80 to 100 is a 25% increase.
30 ÷ 120 × 100 = 25%.