Question

Mt. etna is now 11,013 feet tall after growing 100 feet. what was the percent change in its height, rounded to the nearest tenth?

Answer 1

0.9%

Explanation:

The percentage change is found by multiplying the fractional change by 100%. The fractional change is the change amount divided by the original amount.

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change in height = 100/11013 × 100% ≈ 0.0090802 × 100% ≈ 0.9%