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%






Respuesta :

Answer: Choice B

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%