Answer:
6 ft
Explanation:
The length is (3 × width) + 6,
And the length is 24
If you take 6 away from the length, it will be 18, because 24 - 6 = 18
And then the length is also 3× the width (+6 - we've already done this part) so if you divide 18 by 3 you will get 6 ft as the answer
hope this helps x