Ratios

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Ratios Directions: Rewrite the given ratio in two other ways. 1. 4 to 5 2. 7 : 13 3. ½ 4. 10 to 3 Directions: Find the given ratios. Write the answer in all three ways. 5. There are 16 girls and 18 boys in Ms. L’s class. What is the ratio of boys to girls?

6. There are 32 desks in a classroom, but only 28 students. What is the ratio of students to desks? 7. A box is filled with 6 green marbles, 3 blue marbles, and 9 black marbles. a. What is the ratio of green marbles to black marbles? b. What is the ratio of blue marbles to green or black marbles? c. What is the ratio of black marbles to total marbles? 8.

In an Olympic triathlon, competitors swim 1.5 km, bicycle 40 km, and run 10 km. What is the ratio of running to biking distance?

9. In a bag of red and green candy, the ratio of red candy to green candy is 3:4. If the bag contains 12 pieces of green candy, how much red candy is there?

10. A special cereal mixture contains rice and corn in the ratio of 2:8. If a bag of the mixture contains 3 pounds of rice, how much corn does it contain?

11. During the holiday sale, Wal-Mart sold sweaters and jackets in the ratio 1:3. The store sold 24 jackets. How many sweaters were sold?

12. Blockbuster sells CDs and DVDs in the ratio 1:5. The store sold 8 CDs yesterday. How many DVDs were sold?

13. The ratio of the length of a rectangle to its width is 3:1. If the length of the rectangle is 24 cm, what is its width?

14. The ratio of the number of Dana's baseball cards to the number of John's baseball cards is 3:8. Dana has 30 baseball cards. How many cards does John have?

15. A store sells only green and black shirts, where the ratio of green to black shirts is 5:3. If the store has 20 green shirts, how many shirts does it have altogether?