### Home > MC2 > Chapter 9 > Lesson 9.1.1 > Problem9-13

9-13.

The local sports shop has backpacks on sale for $\28$. The original price was $\40$. What is the percent decrease for the backpack price?

What is the decrease as a percent of the original price?

Decrease: $\40-\28=\12$
$\12=(x)(\40)$

$30\%$