 
Arturo O. answered  12/03/19
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P = 2(L + W)
124 = 2[(6 + W) + W]
12 + 4W = 124
W = (124 - 12) / 4 = 28 cm
L = W + 6 = 34 cm
Jose L.
asked  12/03/19By solving systems of equations by substitution.
 
Arturo O. answered  12/03/19
Experienced Physics Teacher for Physics Tutoring
P = 2(L + W)
124 = 2[(6 + W) + W]
12 + 4W = 124
W = (124 - 12) / 4 = 28 cm
L = W + 6 = 34 cm
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