Act Prep Ratios and Proportions

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

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

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Sam and Megan share Skittles in a ratio 4:1. If there are 75 Skittles in a large bag, how many do they each get?

• 75 and 0

• 40 and 35

• 20 and 55

• 60 and 15

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8

• 15

• 40

• 29