Christmas Light Ratios

Write a ratio to represent the ratio of red to blue.

• 2:5

• 3:5

• 2:3

• 3:2

If the ratio stays the same, how many blue bulbs would there be if there are 10 red bulbs?

• 10

• 6

• 11

• 15

How many red bulbs would there be if there are 21 blue bulbs?

• 20

• 14

• 9

• 6

How many bulbs would there be if there are 200 red bulbs?

• 500

• 300

• 200

• 400

What is the ratio of blue to green to red?

• 2:3:4

• 3:4:2

• 4:2:3

• 4:3:2

How many red bulbs would there be if there are 12 blue bulbs?

• 9

• 6

• 10

• 11

How many green bulbs would there be if there are 90 total bulbs?

• 85

• 40

• 20

• 30

How many bulbs would there be if there are 15 red bulbs?

• 10

• 20

• 40

• 45

What is the ratio of blue to green to red?

• 4:2:4

• 2:4:4

• 4:4:2

• 2:1:2

How many green bulbs would there be if there are 14 blue bulbs?

• 16

• 24

• 28

• 70