SOLUTION: The length of a rectangle is 10 cm more than the width. If the perimeter of the rectangle is 60cm. What are the dimensions of the rectangle?

Question 1128668: The length of a rectangle is 10 cm more than the width. If the perimeter of the rectangle is 60cm. What are the dimensions of the rectangle?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
Perimeter = 2L + 2W (1)
Length = W + 10 (2)
Substitute in (1) with the equivalence in (2)
2(W + 10) + 2W = 60
2W + 20 + 2W = 60
4W = 40
W = 10
and L = W + 10 = 10 + 10 = 20
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Check:
The perimeter is 60:
2L + 2W = 60
2(20) + 2(10) = 60 Correct

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