document.write( "Question 250998: While hiking the Peralta Trail to Wheeler’s Needle and back, Rick spent 60% of his time walking uphill to Wheeler’s Needle and 40% of his time returning by the same trail. If he averaged 2 miles per hour uphill, what was his average speed for the round-trip? \r
\n" ); document.write( "\n" ); document.write( "A. 2 1/3 mph B. 2.25 mph C. 2.4 mph D. 2.5 mph E. 2.6 mph
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Algebra.Com's Answer #182776 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
rate * time=distance
\n" ); document.write( ".6/.4=2/r
\n" ); document.write( "r=1.33 for return trip
\n" ); document.write( "(2+1.33)/2=average\r
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