Answer:
17
Explanation:
To find the number of green beads that Felicia used, we first need to list out what we know.
Let x = number of green beads.
Yellow Beads = 153
So we get:
x*9 = 153
We divide both sides by nine to find the value of x.
![(x*9)/(9)=(153)/(9)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/eppaeqipzfk2wtmjetauzpglp8zndquzxr.png)
x = 17
To see if we got the answer correct, let's substitute x.
x * 9 = 153
17 * 9 = 153
153 = 153