Ratio & Propotional Reasoning REVIEW: 7th Math

John eats a bowl of cereal for 3 of his 4 meals each day. He finishes two gallons of milk in eight days. How much milk does John use for one bowl of cereal? (Assume he only uses the milk for his cereal.)

• 1/4 gallon

• 1/3 gallon

• 1/2 gallon

• 1 gallon

Mary uses one third of a gallon of gasoline driving back and forth to work every day. How much gasoline does she use in 30 days?

• 10 gallons

• 15 gallons

• 20 gallons

• 25 gallons

A recipe to make a cake calls for three-fourths of a cup of milk. Mary used this cake as the first layer of a wedding cake. The second layer was half the size of the first layer, and the third layer was half the size of the second layer. How much milk would be used for the entire wedding cake?

• 1 cup

• 1.25 cups

• 1.5 cups

• 1.75 cups

One third of a quart of paint covers one fourth of a basketball court. How much paint does it take to paint the entire basketball court?

• 1 quart

• 1.5 quarts

• 2 quarts

• 2.5 quarts

If a vehicle is traveling at a constant rate, and it takes 1.5 hours to travel 97.5 miles, how long does it take to travel 130 miles?

• 2 hours

• 2.5 hours

• 3 hours

• 3.5 hours

The following table shows two variables in a proportional relationship. Which algebraic statement represents the relationship between x and y?

• y = 2x

• y = 3x

• y = 4x

• y = 5x

The following graph shows a proportional relationship. What is the constant of proportionality?

• 1

• 2

• 3

• 4

Does the graph show a proportional relationship?

• Yes

• No

• Only for positive values

• Only for negative values

The following table shows two variables in a proportional relationship. What is the constant of proportionality?

• 1

• 2

• 3

• 4

If the ratio of the length of a rectangle to its width is 3 to 2, what is the length of a rectangle whose width is 4 inches?

• 6 inches

• 8 inches

• 10 inches

• 12 inches