SOLUTION: what are the demensions of a rectangle if the perimeter is 72 centimeters and the base is three times greater than the height

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Question 253883: what are the demensions of a rectangle if the perimeter is 72 centimeters and the base is three times greater than the height
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
h=3b
2h+2b=72
2*3b+2b=72
6b+2b=72
8b=72
b=72/8
b=9 ans. for the base.
h=3*9=27 ans. for the height.
Proof:
2*27+2*9=72
54+18=72
72=72