document.write( "Question 399430: a car travleled 300 miles in 4 2/7 hours.how many mile per hour did the car travel? \n" ); document.write( "
Algebra.Com's Answer #282847 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
300/(4 2/7) = 300/(30/7) = 300*7/30 = 70 mph
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\n" ); document.write( "How, and why, did anyone measure a 7th of an hour?
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