Question

Jackson's bedroom has an area of 90 square feet. The area of his bedroom is 9 times that of his closet of the closet is 2 feet wide, what is its length?

Answer 1

Answer:The length of closet is 5 ft.

Step-by-step explanation:

Let the length of closet is x ft.

It is given Jackson's bedroom area is 9 times that of the closet.

The area of bedroom is given as 90 square feet ans width of closet is 2 ft.

Or 90=9( 2 times x)

Or 90 =18 x

Dividing both sides by 18 we have

x=5 ft .

The length of closet is 5 ft.

Answer 2

$Area\ of\ closet=2*2+2length\\\\ 9Area\ of\ closet=Area\ of\ bedroom\\\\ 9Area\ of\ closet=90\ \ \ \ |divide\ by \ 9\\\\ Area\ of\ closet=10feet^2\\\\ 10=2*2+2length\\\\ 10=4+2length\ \ \ \ |subtract\ 2\\\\ 6=2length\ \ \ \ |divide\ by\ 2\\\\ \boxed{length=3feet}$