Question

The price of a cup of coffee was 2.30 yesterday. Today, the price fell to 2.15 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

Answer 1

6.5%

Explanation:

Percentage decrease

`= (2.30 - 2.15)/(2.30) * 100 \\ \\ = (0.15)/(2.30) * 100 \\ \\ = (15)/(2.30)\\ \\ = (150)/(23)\\ \\ = 6.52173913 \\ \\ \approx \: 6.5\%`