The grocery store sells cantaloupes for $4.50 per pound. Write an equation to represent the cost, c, for the number of pounds of cantaloupes bought, p.

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

Find the Percent of Change. Round to nearest Percent.

What is the markup rate on a $470 ring that is now $634.50?

This year at Clark Middle School, the enrollment is 525 student. Last year the enrollment was 465 students. What is the percent of increase?

Omar thinks it will take him  $\frac{1}{3}$  hour to paint each of the 4 walls. Amina thinks it will take her  $\frac{2}{3}$  hour to paint each of the 4 walls. How much longer will it take Amina to paint her room than it will take Omar?

Lego Club lasts  $\frac{3}{4}$  hour. Mohammad goes to Lego Club 2 times a week. Yassin goes to the same Lego Club, but he goes 4 times a week. How many hours combined do both Mohammad and Yassin spend at Lego Club in one week?