2.The tables show the numbers of white and yellow flowers Cara and Hector used in 5 different arrangements. Cara’s Flower Arrangements

White

3

6

9

12

15

Yellow

5

10

15

20

25

Hector’s Flower Arrangements

White

4

8

12

16

20

Yellow

6

10

14

18

22

Part A

Are the numbers of white and yellow flowers in Cara’s arrangements proportional? Write an equation that relates the number of yellow flowers, y, to the number of white flowers, w.

Part B

Are the numbers of white and yellow flowers in Hector’s arrangements proportional? Write an equation that relates the number of yellow flowers, y, to the number of white flowers, w.