document.write( "Question 681904: A mountaineer needs 5 hours to go over a mountain. The length of the path is 15km. His uphill speed is 1.5km/h, where his downhill speed is 4km/h. How much time does he need to finish the uphill and downhill path respectively? \n" ); document.write( "
Algebra.Com's Answer #422845 by Alan3354(69443)\"\" \"About 
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A mountaineer needs 5 hours to go over a mountain. The length of the path is 15km. His uphill speed is 1.5km/h, where his downhill speed is 4km/h. How much time does he need to finish the uphill and downhill path respectively?
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\n" ); document.write( "d = r*t
\n" ); document.write( "t = d/r
\n" ); document.write( "15 km/1.5 km/hr = 10 hours
\n" ); document.write( "Not gonna do in 5 hours.
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