Question

A photographer had to change the size of his cover photo. He increased the length by 30% and decreased the width by 10%. By what percent was the area of the final photo changed?

PLEASE HELP!!!!!!

Answer 1

Answer: It increased by 17 %

Explanation:

Answer 2

The area of the final photo changed by 17%.

Explanation:

:Original area: A1 = L * W

Increased length by 30%:

New length = 1.3LDecreased width by 10%:

New width = 0.9W New area:

A2 = 1.17LWPercentage change in area: 17%