7th assessment practice 5

Taylor and Kevin are both on the cross-country team. Taylor runs a mile in 8 minutes (min), and Kevin runs a mile in 6 min. Which equation represents the relationship between the number of miles Taylor (t) and Kevin (k) run in 1 hour if they maintain the same average rates?

• k = t

• k = 3/4t

• t = 3/4k

• t = 4/3k

Jack ran 1/2 mile in 5 minutes. How fast was Jack running in miles per hour (mph)?

• 2.5

• 6

• 10

• 12

Tim's bill at a restaurant is $40.00. Tim pays the bill, adding a tip of 25% for the server. What is the total amount of money Tim spends at the restaurant?

• 30

• 45

• 40.25

• 50

Which equations represent a proportional relationship? Select all that apply.

• y = 3x

• y = 3x + 1

• 2y = x

• 2y = 3x

• 2y = 3x - 3

Select the ratios that have the same constant of proportionality as 3 cats : 5 dogs.

• 9:15

• 6: 9

• 6:10

• 12: 18

Emma went shopping. The cost of the items she bought was $46.00 before 7% sales tax was added. What is the total amount Emma spent on her purchase?

• 46.70

• 49.22

• 48.07

• 54.36

• 
• 
• 
• 

Joe runs at an average speed of 3 miles (mi) in 21 minutes (min). Which graph shows the same running speed?

• 
• 
• 
• 

• 
• 
• 
• 

• 
• 
• 
•