document.write( "Question 1022229: A biker rode up a 20-km hill in 2 hours and down the hill in .5 hour without stopping . what was his average speed
\n" ); document.write( "a)coming up the hill
\n" ); document.write( "b)going down the hill
\n" ); document.write( "c)the entire trip altogether
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Algebra.Com's Answer #637969 by Alan3354(69443)\"\" \"About 
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A biker rode up a 20-km hill in 2 hours and down the hill in .5 hour without stopping . what was his average speed
\n" ); document.write( "a)coming up the hill
\n" ); document.write( "To find km/hr, divide the kms by the hours.
\n" ); document.write( "20 km/2 hr = 10 km/hr
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\n" ); document.write( "b)going down the hill
\n" ); document.write( "See above
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\n" ); document.write( "c)the entire trip altogether
\n" ); document.write( "Same as a & b\r
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