What is the percent increase from 20 to 30?

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Multiple Choice

What is the percent increase from 20 to 30?

Explanation:
Percent increase is found by comparing the amount of increase to the original amount. The increase from 20 to 30 is 30 − 20 = 10. Divide that by the original amount: 10 ÷ 20 = 0.5, then multiply by 100 to get the percentage, which is 50%. So the value grew by half of its original amount. (An increase of 5 would be 25%, 8 would be 40%, and 12 would be 60%, which don’t match the actual change.)

Percent increase is found by comparing the amount of increase to the original amount. The increase from 20 to 30 is 30 − 20 = 10. Divide that by the original amount: 10 ÷ 20 = 0.5, then multiply by 100 to get the percentage, which is 50%. So the value grew by half of its original amount. (An increase of 5 would be 25%, 8 would be 40%, and 12 would be 60%, which don’t match the actual change.)

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