Question

The price of a notebook was $3.50 yesterday. Today, the price rose to $4.00 . Find the percentage increase. Round your answer to the nearest tenth of a percent.

Answer 1

percent increase : (4.00 - 3.50) / 3.50....* 100
                                0.50 / 3.50...* 100
                                0.1428 * 100
                                 14.28% ...this rounds to 14.3% <==