Question #7112c

1 Answer
Jan 30, 2018

L = 25 m
W = 10 m

Explanation:

From data 2-equations are established:

(1) Perimeter => 2(L + W) = 70

(2) Difference =>3L - 5W = 25

From eq. 1

(3) L = 35 - W

Subst. eq. (3) into (2)

3(35-W) -5W = 25
Solving for W

W = 10

Using eq. (3) and W-value:

L = 25