Rations and Proportions

Simplify:

30yd to 25yd

• 10

  1

• 9

  50

• 8 : 7

• 6 : 5

Simplify the ratio of 35 : 14

• 2:5

• 5:2

• 1/2

• not known

The cookie jar has six chocolate chip cookies and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

• 6:5

• 5:6

• 6:11

• 6:11

Solve for x

• x = 1/6

• x = 7

• x = 6

• x = 9

A proportion is a

• ratio statement

• an "if-then" statement

• a statement of 2 ratios that are equal to each other

• a comparison

All of the following are proper representations of a ratio EXCEPT

• a/b

• a to b

• a:b

• a over b

To solve for missing info in a proportion statement you must first

• Cross multiply

• Divide everything

• Get rid of variables

• Guess

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:
8 students to 18 tables

• 4/9

• 8/18

• 9/4

• 4/5