Proportional Relationships and Percentages

• y = 1/5x

• y = 5x

• y = 1/2x

Write the equation of the proportional relationship using the format y = kx.

What is the constant of proportionality? Use the format k = 2.

Is the graph proportional?

• Yes

• No

A movie theater randomly samples the types of admission tickets sold on Friday in the afternoon and the evening. If 400 tickets are sold on a Friday afternoon, use your inference and proportional reasoning skills to determine how many of those 400 tickets would be adult tickets. Type your numerical answer only.

Tags

CCSS.Math.Content.7.RP.A.3

In a store, 1 can of soup costs $1.80. The store also sells a pack of 6 cans of the soup. A customer who buys 1 pack saves 15% compared to buying 6 cans separately. How much money does a customer save by buying 1 pack instead of buying 6 cans separately?

Enter your answer in the box.

Tags

CCSS.MATH.CONTENT.6.RP.A.3.c

The graph shows how the number of pages Jeff reads is related to the number of hours he spends reading.

If Jeff continues to read at the same rate as shown in the graph, how many hours would it take him to read 90 pages?

Mathematical Equivalence

ON

What is the cost per hour for a canoe rental?

• $12 per hour

• $14 per hour

• $18 per hour

• $26 per hour

• A

• B

• C

• D

What is the constant of proportionality?

• k = 3

• k = 1/3

• k = 3x

• k = 1/3x