document.write( "Question 805444: A person walks to the top of a mountain at the rate of 3.0 km/h and down the same way at the rate of 6.0 km/h. If he walks for a total of 9.0 h, how far is it to the top? \n" ); document.write( "
Algebra.Com's Answer #485244 by Alan3354(69443)\"\" \"About 
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A person walks to the top of a mountain at the rate of 3.0 km/h and down the same way at the rate of 6.0 km/h. If he walks for a total of 9.0 h, how far is it to the top?
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\n" ); document.write( "Avg speed for the round trip = 2*3*6/(3+6)
\n" ); document.write( "= 4 km/hr
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\n" ); document.write( "d = r*t = 4*9 = 36 km RT
\n" ); document.write( "= 18 km each way
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