document.write( "Question 1049609: a cylclist travled 9km per hour faster than an in line skater. in the time it took the cyclist to travel 45 km, the skater had gone 30. find the speed of the skater \n" ); document.write( "

Algebra.Com's Answer #665209 by advanced_Learner(501) $\"\"$ $\"About$

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line skater
\n" ); document.write( "speed $\"r\"$
\n" ); document.write( "time $\"t\"$
\n" ); document.write( "distance $\"30\"$
\n" ); document.write( " $\"30\"$ = $\"rt\"$
\n" ); document.write( " $\"30%2F%28r%29\"$ = $\"t\"$
\n" ); document.write( "cyclist
\n" ); document.write( "speed $\"r%2B9\"$
\n" ); document.write( "time $\"t\"$
\n" ); document.write( "distance $\"45\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"30\"$ / $\"r\"$ = $\"t\"$
\n" ); document.write( " $\"45\"$ / $\"r%2B9\"$ = $\"t\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"30%2F%28r%29\"$ = $\"45\"$ / $\"r%2B9\"$
\n" ); document.write( " $\"r%2F%2830%29\"$ = $\"r%2B9\"$ / $\"45\"$
\n" ); document.write( " $\"45r\"$ = $\"30r%2B270\"$
\n" ); document.write( " $\"45r-30r\"$ = $\"270\"$
\n" ); document.write( " $\"15r\"$ = $\"270\"$
\n" ); document.write( " $\"r\"$ = $\"18\"$
\n" ); document.write( "hence for the line skater
\n" ); document.write( " $\"r\"$ = $\"18\"$ \r
\n" ); document.write( "\n" ); document.write( "for the cyclist
\n" ); document.write( " $\"r\"$ = $\"18%2B9\"$
\n" ); document.write( " $\"r\"$ = $\"27\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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