Answer:
width = 32 cm
Length = 46 cm
Step-by-step explanation:
Let width = w
Length = w + 14
Perimeter = 156 cm
2*(length + width) = 156
2* (w +14 + w) = 156 {combine like terms}
2 *(2w + 14) = 156 {Divide both sides by 2}
2w + 14 = 156/2
2w + 14 = 78 {Subtract 14 from both sides}
2w + 14 - 14 = 78 -14
2w = 64 {Divide both sides by 2}
2w/2 = 64/2
w = 32 cm
length = w + 14 = 32 + 14
= 46
