1. Emily and a friend bought two tickets to see a soccer game. Each ticket cost $8.25. The friends paid a total of $24.50, which included a fee per ticket for parking near the stadium.
a. How much did each friend pay for the parking fee?
b. What is the parking fee as a percent increase in the cost of a ticket?
2. The number 360 is increased by 25%. The result is then decreased by 50%. What is the final number?
3. Justin has $24 to buy a gift for his cousin, Julianne. He found a gift for $22. With 5% sales tax added on, will Justin have enough money to buy the gift for Julianne? If so, how much will he pay?
4. Two friends, Horacio and Jenna, bought two tickets to see a play at the local theater. Each ticket cost $17.25. Each friend donated $1.00 to the theater's youth program. The friends paid a total of $40.50, which also included a convenience fee.
a. How much did each friend pay for the convenience fee?
b. What is the convenience fee as a percent increase in the cost of a ticket?
c. Find two more percents that you can describe as percent increases in a ticket's cost.
5. A band expects to put 16 songs on their next CD. The band writes and records 62.5% more songs than they expect to put on the CD. During the editing process, 50% of the songs are removed. How many songs will there be on the final CD?
6. Brett hoped to get 100 pumpkins from his garden this year. Since the weather was favorable, 20% more pumpkins grew than he expected. Unfortunately, animals ate 30% of all the pumpkins that grew.
a. How many pumpkins were left?
b. Is the final number of pumpkins more than or less than he hoped?
7. Emma saves 10% of her weekly earnings for living expenses. She usually makes $560 each week. This week she made 10% more. Emma incorrectly claims that she has $560 left for spending money this week.
a. Calculate the amount of spending money Emma has left for the week.
b. What error did Emma likely make?
A. Emma used the percent saved for living expenses only to calculate the final amount.
B. Emma used the percent increase in salary only to calculate the final amount.
C. Emma assumed that if the percent increase in salary and the percent saved for living expenses are the same, the final amount does not change.
D. Emma assumed that if the percent increase in salary and the percent saved for living expenses are the same, the final amount doubles.
8. Ron wants to buy a video game with a selling price of $48, on sale for 50% off. The sales tax in his state is 4.5%.
a. How much will Ron have to pay in all?
b. If he has $25, can he afford to purchase the game?
9. Kyrsten and Samantha are roommates who split the cost of rent and utilities (electricity, water, heat, etc.) evenly every month. Each roommate pays $357.75 for rent. The roommates pay $849.50 per month for combined rent and utilities. Kyrsten wants cable TV. She will pay the $52.00 cable bill fully each month. What is the cost of the cable as a percent increase of Kyrsten's utilities cost?