Question

The number 78 is decreased to 72. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

Answer 1

7.7%

Explanation:

First get the decrease .

Decrease = 78 - 72 = 6

Percentage decrease will be the decrease divided by the original number multiplied by 100%

That’s

6/78 x 100%

0.0769 x 100%

7.69

7.7% to the nearest tenth