Proportions Quiz
1. Sam is tailgating for a football game. He has 3 ice chests that he is bringing with him, and each ice chest can hold 20 drinks. There will be a mixture of Dr. Pepper, Sprite and Diet Coke. 45% of the drinks are Dr. Pepper. Which of the following is the number of Dr. Peppers Sam has?
A. 9
B. 10
C. 27
D. 20
2. A package of pencils cost $1.29. At this rate, how much would 50 packages of pencils cost, in dollars and cents? Record your answer and fill in the bubbles below. Make sure you use the correct place value.
3. Last week a MP3 player cost $100. This week the MP3 player was on sale for $79. What was the percent decrease in the price of this bottle of water?
A. 26%
B. 21%
C. 79%
D. 27%
4. For football Eric has to run 3 laps around the track each day. If 4 laps around the track equals one mile, how many days will it take Eric to run 12 miles?
A. 4 days
B. 10 days
C. 100 days
D. 16 days
5. Brenda went shopping at Macy’s. She purchased 3 pairs of jeans for 20.25 each and had a coupon for 34 off the total price. Which proportion would be used to solve for the discounted amount that Brenda will save?
A. x20.25≡75100
B. x60.75≡75100
C. 320.25≡x100
D. 320.25≡34
6. Mrs. Mansker went to dinner with her husband this weekend to Red Lobster. Their meal was $37. The computers were broken down that day and she had to calculate the tax of her meal which was 8%. She also had great service that day so she decided to leave a 25% tip. What was the final cost of Mrs. Mansker’s meal? (Use the ticket to help if you need it.)
Mrs. Mansker’s ReceiptTotal of Meal
Total of Tax
Total after Tax
Total of Tip
Total after Tip
A. 39.96
B. 49.95
C. 46.25
D. 49.21
7. Robert sales TVs at Best Buy. They give him a salary of $200 a week plus 3% commission on his sales. Last week Robert sold $12,000 in TVs. How much will be on Robert’s paycheck?
A. $200
B. $360
C. $366
D. $560
8. Shelly bought a new $90 phone on sale for 12% off the original price. When she went to pay for her purchase with a $100 bill, the clerk reminded her that she also had to pay sales tax. What additional information is needed to find the amount of change shelly received from the $100 bill?
A. The original price of the cell phone
B. The sales tax rate
C. The amount of money Shelly had in her purse
D. The price of other cell phones in the store
9. Madge and Milly went to the movies. Madge’s snacks cost $6.95, and Milly’s snacks cost $4.50. The tax on the snacks was 8%. They paid the attendant with a $20 bill.
Look at the problem-solving steps below. Arrange the steps in the correct order for Madge and Milly to calculate the change they will receive from the $20 bill.
Step A: Multiply the total cost of the meals by 0.08 to find the tax on the meals.
Step B: Subtract the total amount of the check from $20.
Step C: Calculate the total cost of the two meals.
Step D: Add the tax to the total cost of the meals.
Which list shows the problem-solving steps in the correct order?
A. B, A, C, D
B. C, A, D, B
C. C, D, B, A
D. C, B, A, D
10. Mike went to the garden store to buy some new plants for his flower beds. He had a coupon for 25% off of his purchase. He bought 2 plants that cost $34 each. Which equation below shows how Mike calculated his final bill, after the discount?
A. 34.25-8.50=25.50
B. 2∙34.25-8.50=59.50
C. 2∙34.25-17.00=51.00
D. 2∙34.25=17.00