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OpenStudy (anonymous):
150/r = 600/r+150 Please help!
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OpenStudy (anonymous):
I'm having issues with LCD etc... I keep getting the wrong answer!
OpenStudy (anonymous):
does r mean radius?
OpenStudy (anonymous):
no its rate
OpenStudy (anonymous):
ohhh no clue then sorry
OpenStudy (anonymous):
\[150/r=600/(r+150)\]\[(r)(150/r)=[600/(r+150)](r)\]\[150=600r/(r+150)\]\[150(r+150)=600r\]\[150r+22,500=600r\]\[22,500=600r-150r\]\[22,500=450r\]\[50=r\]
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