There are 100 seats on an airplane. 78 seats are taken. Find the ratio of the number of seats that are taken to the number of seats that are open. Give your answer in simplest form.

• 100:78

• 78:100

• 39:11

• 11:39

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The ratio of the number of picture books to the number of chapter books on the shelf is 12:19. What fraction of the books are chapter books?

• $\frac{19}{31}$

• $\frac{12}{19}$

• $\frac{12}{31}$

Mrs. Chandler has 40 socks. Of the socks, 24 are red and the rest are black. What is the ratio of the number of black socks to the number of red socks?

• 16:24

• 24:40

• 16:40

• 40:24

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A boy, a girl, and their dog weigh a total of 150 pounds. The ratio of the weight of the boy to the girl is 4:7. The weight of the girl is 70 pounds. What is the weight of the dog?

• 30 pounds

• 10 pounds

• 40 pounds

• 70 pounds

At a charity function, $230,000 was donated by charities A, B, and C. The charities donated in the ratio 5:6:9. How much money did Charity C donate?

• $230,000

• $103,500

• $25,555

• $30,000

The ratio of the number of men to women in a company is 8 : 10. There are 16 more women than men in the company. How many people work in the company?

• 64

• 80

• 120

• 144

The ratio of the number of adults to children on a field trip is 2 : 24. The ratio of the number of male children to female children is 3 : 5. There are 150 female children. How many adults are there?

• 20 adults

• 16 adults

• 24 adults

• 35 adults

At the zoo, there were 96 land mammals. The ratio of the number of land mammals to water mammals was 4 : 5. After one week, some more water mammals arrived and the ratio became 2 : 3. How many water mammals arrived?

• 45 more water mammals

• 24 more water mammals

• 23 more water mammals