document.write( "Question 721848: A car travels 315 miles in 6 hours .write the average speed of the car as a unit rate in miles per hours \n" ); document.write( "
Algebra.Com's Answer #442533 by Alan3354(69443)\"\" \"About 
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A car travels 315 miles in 6 hours .write the average speed of the car as a unit rate in miles per hours
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\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t
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