Ratios and Proportion Review

A class is 55% girls and has 20 girls.  How many boys are in the class?

• Not enough information

• 9 boys

• 16  boys

Solve the Proportion:
X/9 = 9/27

• 9

• 3

• 81

• 245

Solve the proportion:

• 4

• 8

• 14

• 10

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

What is the ratio of votes for yellow to green?

• 18:9

• 2:9

• 9:2

• 2:18

Write the following ratio as a fraction in simplest form: 15 carnations out of 24 flowers

• 15/24

• 5/8

• 3/4

• 3/8

Jenny has 3 guitars. Steve has 4 guitars. If the ratio of guitars is 4:3, who is first in the ratio?

• Jenny

• Steve

• It doesn't matter

• Andy Griffith

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 3 to 5

• 5 to 2

If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players?

• to 2

• to 3

• to 1

• to 1

Solve.
k/5 = 9/15

• k = 3

• k = 1

• k = 4

• k = 6