Question

A rectangle is four times as long as it is wide. If it has an area of 36 square inches, what are its dimension?. a. 6 by 6 c. 4 by 9 b. 3 by 12 d. 4 and 8 Please select the best answer from the choices provided A B C D

Answer 1

Answer:

B. 3 by 12

Step-by-step explanation:

$x(4x) = 36$

$4 {x}^{2} = 36$

${x}^{2} = 9$

$x = 3$

$4x = 12$

So the length is 12 inches, and the width is 3 inches.