document.write( "Question 1132813: On race day,run 3.2 miles in 30 minutes. What is your speed in miles per hour?
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Algebra.Com's Answer #749965 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
To find mi/hr, divide the miles by the hours.
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\n" ); document.write( "5 miles in 2 hours = 5mi/2hr = 5/2 mi/hr
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\n" ); document.write( "12 miles in 4 hours = 12mi/4hr = 3 mi/hr
\n" ); document.write( "Including the units makes it make sense.
\n" ); document.write( "Cost of fuel in $/gallon - divide the dollars by the gallons.
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\n" ); document.write( "Seems obvious.
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