Question

Find the percent of increase or decrease. Round to the nearest tenth of a percent where necessary. 69 to 42 A an increase of 64.3% B. a decrease of 39.1% C. a decrease of 64.3% D. an increase of 39.1%

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Answer 1

Answer: Choice B

Step-by-step explanation:

We go from 69 to 42, which is a drop of 27 since 69-42 = 27.

Divide that difference over the starting value:

27/69 = 0.391 approximately

Move the decimal point two spots to the right to arrive at 39.1%

We have a decrease of 39.1%