Jarod Is Having a Problem with Rabbits Getting into His $84 \frac{2}{3} \mathrm{ft}$

Jarod is having a problem with rabbits getting into his vegetable garden, so he decides to fence it in. The length of the garden is 8 feet more than 5 times the width. He needs 100 feet of fencing to do the job. Find the dimensions of the garden.

A) length: $84 \frac{2}{3} \mathrm{ft}$ ; width: $15 \frac{1}{3} \mathrm{ft}$
B) length: $38 \mathrm{ft}$ ; width: $6 \mathrm{ft}$
C) length: $48 \mathrm{ft}$ ; width: $8 \mathrm{ft}$
D) length: $43 \mathrm{ft}$ ; width: $7 \mathrm{ft}$