Proportions with Percentages

Sam received $125 for his birthday. He spent $85 at the store and put the rest in the bank. What percent of his birthday money did he spend at the store?

The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?

Bill is in a class of 15 boys and 35 girls. 40% of the students in the class take the bus to school. How many students do not take the bus to school?

Eric earned 60 points on his last test. If there were 75 possible points, what was his percent grade?

26 is 5% of what number?

Jason bought a tablet for 230$ after taxes. If there were 15% taxes, how much was the tablet originally (before tax) ?

There is a 20% discount on a controller. If the final price of the controller is 64$, how much was the controller originally (before the discount?)

Your favorite shampoo brand changed the size of their bottles from 18 fl. oz to 22.5 fl oz. What value would go into box (b) on this linear model?

• 125%

• 20%

• 100%

• 22.5

What is the percent of change in this problem? There are 24 teachers on the 6th grade team. Next year, they will have 30 teachers on the team.

• 25% increase

• 25% decrease

• 20% increase

• 20% decrease

Marta was shopping online with a 30% off coupon code. She found a pair of shoes that regularly cost $85. How much will Marta pay if she uses the coupon (ignoring tax)?

• $25.50

• $59.50

• $76.50

• $121.43