Question

The area of a rectangle is 128 ft2. If the width is twice the length, what is the measure of the length?

Answer 1

Length=8

Explanation:

128= Length×Width

W=2L

so we can rewrite the first equation as:

128=L×2L

128=2L²

64=L²

8=L

and W=2L so:

W=2(8)

W=16