SOLUTION: A rectangular has a perimeter of 62 centimeters. If the sum of the length and twice the width is 42 centimeters, find the length.

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Question 764787: A rectangular has a perimeter of 62 centimeters. If the sum of the length and twice the width is 42 centimeters, find the length.
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Length = x
Width = y
Perimeter = 2x + 2y

2x + 2y = 62
x + 2y = 42
Subtract
x = 20
Substitute x = 20
into x + 2y = 42
20 + 2y = 42
2y = 42 - 20
2y = 22
y = 11
Length = 20cm
Width = 11cm
Hope this helps.
:-)