Posted by Anonymous on Thursday, April 18, 2013 at 8:09pm.
The strength of a beam varies inversely with the square of its length. If a 15foot beam can support 500 pounds, how many pounds can a 20foot beam support?
A) 261.15
B)279.33
C)281.25
D)732.50

Algebra 2  bobpursleyl, Thursday, April 18, 2013 at 8:30pm
what is 500(15/20)^2
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