Question #7112c

1 Answer
Jose
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#

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