Question

The price of a notebook has risen to $3.70 today. Yesterday's price was $3.20 . Find the percentage increase. Round your answer to the nearest tenth of a percent.

Answer 1

16%

Explanation:

Equation:
`(new value-old value)/(old value)` * 100

`(3.70-3.20)/(3.20)`* 100=
`(0.50)/(3.20)`* 100

0.15625 (round to .16)

16%