Question

The price of a notebook has risen to $3.35 today. Yesterday's price was $3.10. Find the percentage increase. Round your answer to the nearest tenth of a percent.

Answer 1

The percent of increasing = amount of increasing/original amount x 100%

Since the price of the notebook on one day is $3.10

Since it is increased to $3.35

Then the amount of increasing = 3.35 - 3.10 = 0.25 dollars

Since the original price is 3.10

By using the rule above

$\text{Percent}=\frac{0.25}{3.10}\times100$

The percent of increasing = 8.064516%

Round it to the nearest tenth

The percent of the increase is 8.1%