Ratios and Proportions

If a class has 14 redheads, 8 brunettes, and 6 blondes- What is the REDUCED ratio of redheads to brunettes?

• 4:7

• 14:8

• 8:14

• 7:4

If a class has 14 redheads, 8 brunettes, and 6 blondes- What is the REDUCED ratio of blondes to brunettes?

• 3:4

• 8:6

• 6:8

• 4:3

Write a ratio in simplest form:
12 CD's to 4 tapes

• 3/1

• 4/1

• 12/4

• 6/1

Write a ratio in simplest form:
8 apples to 24 oranges

• 3/24

• 3/1

• 1/3

• 1/4

Write a ratio in simplest form:
8 students to 18 tables

• 4/9

• 8/18

• 9/4

• 4/5

Write a ratio in simplest form:
22 cats to 33 dogs

• 22/33

• 3/2

• 1/2

• 2/3

Is this proportion equal?
9/12  27/36

• =

• ≠

Is this proportion equal?
1/3  5/6

• =

• ≠

Solve:
8/24  =  2/n

• 8

• 6

• 48

• 4

Solve:
5/15  =  25/n

• 5

• 50

• 75

• 25