Proportions Unit Test

A yard is 3 feet.

A foot is 12 inches.

How many inches are in 5 yards?

Mathematical Equivalence

ON

Sandy has 25 meters of lights to hang on her back porch. Which best approximates the number of yards of lights she has? (1 yd = 0.9144 meter)

• 22 yards

• 23 yards

• 27 yards

• 28 yards

The graph of a proportional relationship forms a straight line that passes through the _____.​

Tommy reads 25 pages of a book in 1/2 hour.

Which proportion could be used to determine how many page Tommy could read in 4 hours?

Tommy reads 25 pages of a book in 1/2 hour.

Using the proportion from the previous question, how many pages can Tommy read in 4 hours?

Mathematical Equivalence

ON

Choose the best answer based on the table.

• The table represents a proportional relationship with a constant of proportionality of 3/2

• The table represents a proportional relationship with a constant of proportionality of 1/2

• The table does not represent a proportional relationship.

Ada's truck can travel 110 miles on 7 gallons of gas. To the nearest tenth, how many miles can Ada travel on 1 gallon of gas?

Mathematical Equivalence

ON

Ada's truck can travel 110 miles on 7 gallons of gas. To the nearest gallon, how many gallons of gas will Ada need to travel 250 miles?

Mathematical Equivalence

ON

The graph shows the relationship between the pounds of candy purchased and the cost. What would be the cost for 10 pounds of candy?

• $25.00

• $30.00

• $50.00

• $55.00

Songs on iTunes (y) cost half as much as songs on Amazon Music (x). What equation represent this statement?