Answer:
L = 36 and w = 14
Explanation:
50 - L = (1/2)L - 4
⇔ 50 + 4 = (1/2)L + L
⇔ 54 = (3/2)L
⇔ 2 × 54 = 3L
⇔ 108 = 3L
⇔ 3L = 108
⇔ L = 108/3
⇔ L = 36
Calculating the width ‘w’ :
w = (1/2)L - 4
Then
w = (1/2)(36) - 4
w = 18 - 4
w = 14
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