Ratios and Proportional Relationships

45 is 50% of what number?

• 90

• 95

• 900

• 27

Heidi drove to visit her friend one summer. The miles she traveled are shown on the graph.

• 60 miles per hour

• 120 miles per hour

• 360 miles per hour

• 180 miles per hour

Johnny read a book with a total of 400 pages. In the equation below, d is the number of days it took Johnny to read the book. What is the unit rate in the equation 4000 = 25d

• 3075 pages per day

• 25 pages per day

• 160 pages per day

• 4025 pages per day

Which of the tables represents a proportional relationship?

• Table 1

• Table 2

• Table 3

• What is a proportional relationship?

Before a renovation, a movie theater had 125 seats. After the renovation, the theater has 150 seats. What is the approximate percentage increase of the number of seats in the theater? If necessary, round to the nearest tenth of a percent.

• 16.7%

• 275%

• 20%

• 25%

Does the table represent a proportional relationship?

• Yes.

• No.

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

REVIEW QUESTION
Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

Do these ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Which table shows a proportional relationship?

• A

• B

• C

• D