document.write( "Question 279596: Pablo can drive 5 times as fast as Oscar can ride his bicycle. If it takes Oscar 4 hours longer than Pablo to travel 90 miles, how fast can Oscar ride his bicycle? \n" ); document.write( "
Algebra.Com's Answer #203243 by mananth(16946)\"\" \"About 
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Pablo can drive 5 times as fast as Oscar can ride his bicycle. If it takes Oscar 4 hours longer than Pablo to travel 90 miles, how fast can Oscar ride his bicycle?\r
\n" ); document.write( "\n" ); document.write( "Let Oscar's speed be x\r
\n" ); document.write( "\n" ); document.write( "Pablo's speed = 5x\r
\n" ); document.write( "\n" ); document.write( "t= distance /rate\r
\n" ); document.write( "\n" ); document.write( "90/x = oscars tiem\r
\n" ); document.write( "\n" ); document.write( "PAblo's time = 90/5x\r
\n" ); document.write( "\n" ); document.write( "90/x + 4 = 90/5x\r
\n" ); document.write( "\n" ); document.write( "90/x-90/5x=4
\n" ); document.write( "450-90 /5x= 4\r
\n" ); document.write( "\n" ); document.write( "360 -90=20x\r
\n" ); document.write( "\n" ); document.write( "270 =20x\r
\n" ); document.write( "\n" ); document.write( "x= 13.5 mph\r
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