Week 1 - Ratio and Rates

A mail carrier delivered mail to 84 houses in 3 hours. At what rate did the mail carrier deliver the mail?

• 24 houses per hour

• 28 houses per hour

• 81 houses per hour

• 87 houses per hour

Robin reads 5 pages of a book in 4 minutes. Based on this rate, what is the total number of minutes it will take Robin to read 200 pages?

• 100 minutes

• 160 minutes

• 200 minutes

• 250 minutes

A basket of fruit contains 6 apples, 5 oranges, 3 bananas, and 2 limes. Which of the following statements about the fruits in the basket are true. Select the two correct statements.

• The ratio of oranges to limes is 5:2.

• The ratio of apples to bananas is 3:6.

• The ratio of bananas to total number of fruits in the basket is 3:16.

• The ratio of limes to apples is 1:4 because there are 4 more apples than limes.

• The ratio of bananas to limes is 2:3 because

  $\frac{2}{3}$ of the fruits in the basket are bananas.

A book club has 36 members. There are 24 boys and 12 girls in the club. What is the ratio of the number of boys in the club to the number of girls in the club?

• 12:24

• 24:12

• 24:36

• 36:24

A freight train traveled 144 miles in 6 hours. At what rate, in miles per hour, did the train travel?

*Enter ONLY the number!"

What is the ratio of the number of model airplanes to the number of model ships?

• 8:3

• 5:3

• 3:8

• 3:5

Ryan paid $48 for 12 cartons of orange juice. What is the unit rate per carton of orange juice that Ryan paid?

• $3

• $4

• $6

• $12

What number completes the ratio table correctly?

Which of the following sentences about the miles traveled per gallon on Monday and the number of gallons of fuel used on Tuesday is true?

• The dairy farmer drove at an average rate of 8 miles per gallon of fuel on Monday, and used a total of 12 gallons of fuel on Tuesday.

• The dairy farmer drove at an average rate of 0.125 miles per gallon of fuel on Monday, and used a total of 0.1 gallons of fuel on Tuesday.

• The dairy farmer drove at an average rate of 40 miles per gallon of fuel on Monday, and used a total of 120 gallons of fuel on Tuesday.

• The dairy farmer drove at an average rate of 5 miles per gallon of fuel on Monday, and used a total of 10 gallons of fuel on Tuesday.

Based on the information in the table, what could the ratio 3:6 describe?

• The number of red cars to the number of black cars on the street.

• The number of blue cars to the number of white cars on the street.

• The number of black cars to the number of red cars on the street.

• The number of white cars to the number of blue cars on the street.