Ratios and Rates

16

A cashier at the local bank is expected to serve 12 customers every hour. In the past 15 minutes, he served 4 customers. Assuming that he works at the same rate, what is his rate of customers per hour?

5:20

A fruit basket has 3 oranges, 5 bananas. 7 apricots, and 5 peaches. What is the ratio of peaches to total pieces of fruit in the basket?

35 to 83

A group of preschool classes has 48 girls and 35 boys. What is the ratio of boys to all children in the preschool classes?

63

Ali needs to make 20 same-sized tablecloths using 35 yards of fabric. If 1 year is 36 inches, how many inches of fabric will she use per table cloth?

360

Amanda spent a total of $1,440 for lunches during the last 4 months. What is her average cost per month for lunch?

9 : 20

An animal shelter houses only dogs and cats. The ratio of cats to dogs at the shelter is 11:9. What is the ratio of the number of dogs to the total number of animals at the shelter?

56

Andrew drove 448 miles in 8 hours. What was his driving rate per hour?

4.5

If Linda can walk 6 miles in 80 minutes, what is her walking rate per hour?

0.12

Jacob can run 9 miles in 1 hour and 15 minutes. What is his average running speed per minute?

14:24

Maya uses 14 blue tiles and 10 white tiles to design a section of an outdoor patio. What ratio compares the number of blue tiles to the total number of tiles in the section?

57

On Mark's last test, the ratio of questions he answered correctly to the questions he answered incorrectly was 12:7. If he answered 21 answers in correctly, how many questions were on the test?

5:6

Sara earns a salary of $3,500 per month. Alisha earns $700 more than Sara per month. What is the ratio of Sara's to Alisha's salaries?

96

Tara saved $3 out of every $10 she earned this month. If she earned $320, how much did she save?

2:5

The ratio of Sally's rent to her other monthly expenses is 2 to 3. What is the ratio of her rent to her total expenses for the month?

19:39

There are 6 red marbles and 11 blue marbles in one bag, and 13 red marbles and 9 blue marbles in another bag. What is the ratio of the total number of red marbles to the total number of marbles in both bags?