What is the percent increase from 40 to 52?

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Study for the 8th Grade Mathematics Test. Prepare with multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

What is the percent increase from 40 to 52?

Explanation:
Percent change measures how much a number grows relative to its starting value. Here, the starting value is 40 and it increases to 52, so the increase is 12. To find the percent increase, divide the increase by the original amount and multiply by 100: (12 ÷ 40) × 100 = 30%. So the percent increase is 30%. For context, a 50% increase would take 40 to 60, a 20% increase would take it to 48, and a 40% increase would take it to 56. Only 30% gives you the 52 total.

Percent change measures how much a number grows relative to its starting value. Here, the starting value is 40 and it increases to 52, so the increase is 12. To find the percent increase, divide the increase by the original amount and multiply by 100: (12 ÷ 40) × 100 = 30%. So the percent increase is 30%. For context, a 50% increase would take 40 to 60, a 20% increase would take it to 48, and a 40% increase would take it to 56. Only 30% gives you the 52 total.

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