document.write( "Question 811128: if a person rides his bike 112 miles in 3 hours and 39 minutes, what is his average miles per hour? \n" ); document.write( "

Algebra.Com's Answer #488610 by josmiceli(19441) $\"\"$ $\"About$

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$\"+d+=+r%2At+\"$
\n" ); document.write( "( miles ) = ( miles / hr ) x ( hrs )
\n" ); document.write( "------------
\n" ); document.write( " $\"+39+\"$ min = $\"+39%2F60+\"$ hrs
\n" ); document.write( " $\"+112+=+r%2A%28+3+%2B+39%2F60+%29+\"$
\n" ); document.write( " $\"+112+=+r%2A%28+3+%2B+13%2F20+%29+\"$
\n" ); document.write( " $\"+112+=+r%2A%28+3.65+%29+\"$
\n" ); document.write( " $\"+r+=+112+%2F+3.65+\"$
\n" ); document.write( " $\"+r+=+30.685+\"$
\n" ); document.write( "The average speed is 30.685 mi/hr
\n" ); document.write( " \n" ); document.write( "

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