Ally sold 18 boxes of girl.scout cookies. This was 20 percent the number of boxes that Kayla sold. How many boxes did kayla sell?

1 Answer
May 6, 2018

Kayla sold 90 boxes of girl scout cookies.

Explanation:

Let x be the number of boxes Kayla sold.

xrArr100%

18rArr20%

Find x,

x=(100%)/(20%)xx18
color(white)(x)=90