document.write( "Question 537310: Bob roller blades 9 miles each morning. Today, he averaged 10 miles per hour for the first 6 miles but then slowed to 5 miles per hour for the rest of the trip. How long did the entire trip take? \n" ); document.write( "
Algebra.Com's Answer #352801 by stanbon(75887)\"\" \"About 
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Bob roller blades 9 miles each morning. Today, he averaged 10 miles per hour for the first 6 miles but then slowed to 5 miles per hour for the rest of the trip. How long did the entire trip take?
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\n" ); document.write( "1st part DATA:
\n" ); document.write( "distance = 6 miles ; rate = 10 mph ; time = d/r = 6/10 hr
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\n" ); document.write( "2nd part DATA:
\n" ); document.write( "distance = 3 miles ; rate = 5 mph ; time = d/r = 3/5 hr
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\n" ); document.write( "Total time = (6/10) + (3/5) = 6/10 + 6/10 = 12/10 = 1.2 hr = 1hr 12 minutes
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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