Question

Greg needs a rectangular piece of plywood with an area of 18 square feet. The length of the cardboard is five less than two times the width. What is the width of the rectangle.

Answer 1

Explanation:

5x*x=18

x^2=18:5

x^2=3.6

x=√3.6

x~1.9

1.9*5=9.5

Answer ~ 9.5ft

Answer 2

Explanation:

General formula for Area = Length * width

fill in what it gives u in the problem

18=(2*width-5)*width

18=(2w-5)*w

see if you can solve the rest