Answer:
Kayla sold 90 boxes of cookies.
Step-by-step explanation:
let's have X be the number of boxes Kayla sold.
x⇒100%
18⇒20%
Find x,
x=100/20 × 18
x=90
Since its a square root then it would be irrational.
Hope this helps you! :)
The answer is 4wx2 just simplify 2wx ×2 to 4wx