Percents and Tape Diagrams

5. The ratio of girls to boys that participated in the music contest was 7:3. There were 77 girls. How many boys participated?

If there are 120 boys in the group, how many boys and girls are there TOTAL?  Use the tape diagrams to solve.

In a bag of Jolly Ranchers, the ratio of blue to red is 3 to 4. If I have a 15 blue jolly ranchers, how many are red jolly ranchers are there in the bag?

The ratio of brownies to cookies is 3:5. If there are 75 cookies, how many brownies are there?

The ratio of girls to boys is 3:8. If there are 48 boys, how many girls are there? Use the tape diagram to help you solve.

What is the ratio of COOKIES to BROWNIES shown in the tape diagram?

Which equation matches the tape diagram?

Find the value of x.

• 6

• 3

Which equation matches the tape diagram?

Find the value of x.

• 10

• 6

• 8

• 50