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01-12-2014
Mathematics

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A company offers a rate of $.05 per minute. How would you find the unit rate per hour?

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02-12-2014

[tex]\$0.05\ per\ minute=0.05\ \$/min\\\\1h=60min\Rightarrow1min=\frac{1}{60}h\\\\therefore\\\\0.05\ \$/min=0.05\cdot\frac{\$}{\frac{1}{60}\ h}=0.05\cdot60\ \$/h=\boxed{3\ \$/h}[/tex]

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