SOLUTION: the area of a parallellogram is 123cm2.Had the base been reduced by 4 Cm the area would have been less by 32 cm2.find the original base of the parallelogram

Algebra ->  Surface-area -> SOLUTION: the area of a parallellogram is 123cm2.Had the base been reduced by 4 Cm the area would have been less by 32 cm2.find the original base of the parallelogram      Log On


   

Question 981449: the area of a parallellogram is 123cm2.Had the base been reduced by 4 Cm the area would have been less by 32 cm2.find the original base of the parallelogram
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
b, base of the parallelogram
h, height of the parallelogram

system%28b%2Ah=123%2C%28b-4%29%2Ah=123-32%29

You can solve for both variables.


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Start of the process:
bh-4h=91
and because you already know bh,
123-4h=91
123-91=4h
4h=32
h=8
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bh=123
b=123%2Fh