Can someone help me with this
A contractor is pouring a concrete driveway. The perimeter is 108 ft. What length will the driveway be if the width is 14 ft.?

The driveway is ____ feet long.

Question

Can someone help me with this 
A contractor is pouring a concrete driveway. The perimeter is 108 ft. What length will the driveway be if the width is 14 ft.?

The driveway is ____ feet long.

anonymous · Answer

i got for L is 7.72 but i dont know if im right

anonymous · Answer

Perimeter is the distance around the rectangle.  So, it is two times the length plus two times the width.

$$P = 2l + 2w$$

You are given a width and perimeter, so plug in those values for P and w, and solve for l.