Percent and MAD CFA Review

Keith bought a sweatshirt that normally costs $47, which is on sale for 60% off its regular price. What is the sale price of the sweatshirt? (PLEASE WRITE DOWN YOUR ANSWERS FOR THESE QUESTIONS - YOU NEED THEM FOR THE FOLLOWING QUESTIONS)

• $28.20

• $75.20

• $18.80

• $78.33

Tags

CCSS.6.RP.A.3C

Sunglasses are on sale for 25% off their regular price. Keith bought a pair of sunglasses that normally costs $33. What is the sale price of the shoes? (PLEASE WRITE DOWN YOUR ANSWERS FOR THESE QUESTIONS - YOU NEED THEM FOR THE FOLLOWING QUESTIONS)

• $8.25

• $41.25

• $24.75

• $13.20

Tags

CCSS.6.RP.A.3C

What is Keith's subtotal for the sweatshirt and sunglasses before tax? (PLEASE WRITE DOWN YOUR ANSWERS FOR THESE QUESTIONS - YOU NEED THEM FOR THE FOLLOWING QUESTIONS)

• $27.05

• $88.40

• $52.95

• $70.80

Tags

CCSS.6.NS.B.3

If there is a 6.5% sales tax applied to the subtotal of the sweatshirt and sunglasses, how much did Keith pay after tax?

• $54.69

• $51.60

• $58.96

• $56.39

Tags

CCSS.7.RP.A.3

A college cafeteria was trying to decide on one more item to add to their menu. They were deciding between Pizza and Wings. They did a random survey of 70 people and found that 40 of them were in favor of pizza. If there are 720 students at the school, which of the following is a reasonable estimate of the number of students who are in favor of pizza?

• 400

• 500

• 600

• 700

To monitor the population of otters, officials marked 28 otters. Later, they flew over the area and counted 685 otters, of which 19 were marked. To the nearest whole number, what is the best estimate for the otter population?

• 440

• 1,066

• 1,530

• 2,295

Mason went to a restaurant and the total cost of his meal was $42. He wants to leave a 22% tip for the server. How much should the tip be?

• $9.24

• $1.91

• $51.24

• $12.50

Tags

CCSS.6.RP.A.3C

Use the information to answer the questions that follow. The dot plots show the number of pull-ups Joe did each day during two different weeks. Find Joe's MAD for week 1 (round to the nearest tenths place).

• 1.7

• 1.5

• 2.1

• 12.85

Use the information to answer the questions that follow. The dot plots show the number of pull-ups Joe did each day during two different weeks. Find Joe's MAD for week 1 (round to the nearest tenths place).

• 0

• 1.6

• 3.6

• 23.9

• 12.9

Compare the M.A.D. of week 1 and week 2.

• Week 2 has more variability than Week 1

• Week 1 has more variability than Week 2

• Both weeks have the same variability

• Neither week has any variability