document.write( "Question 718550: A cyclist takes 3 hours to travel 45 miles while pedaling against the wind. If the speed of the wind is 6 miles per hour, how fast would the cyclist be able to travel on a windless day?
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Algebra.Com's Answer #440943 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+s+\"$ = speed of cyclist in mi/hr with no wind
\n" ); document.write( " $\"+s+-+6+\"$ = speed of cyclist pedaling against the wind in mi/hr
\n" ); document.write( "given:
\n" ); document.write( " $\"+45+=+%28+s+-+6+%29%2A3+\"$
\n" ); document.write( " $\"+45+=+3s+-+18+\"$
\n" ); document.write( " $\"+3s+=+63+\"$
\n" ); document.write( " $\"+s+=+21+\"$
\n" ); document.write( "The speed of cyclist with no wind is 21 mi/hr\r
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