Question

Shira is decorating a room with green and purple balloons. She wants to use 4 green balloons for every 5 purple balloons. How many purple balloons will she need if she uses 20 green balloons? Use a double number line to solve.

a0 purple balloons

Answer 1

that one person would use up to 100 purple balloons

Answer 2

Answer: She will have to use 25 Purple Balloons.

Step-by-step explanation: Use a proportion.

4 20

— X —

5 x

4x=100

– —

4 4

x=25 Balloons