document.write( "Question 822857: fred covered the first 20 miles in 2 1/2 hours. what was his average speed per hour.?
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Algebra.Com's Answer #495126 by Alan3354(69443)\"\" \"About 
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fred covered the first 20 miles in 2 1/2 hours. what was his average speed per hour.?
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\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t
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