document.write( "Question 241724: Maria bicycles 6 km/h faster than Javier, In the same time it takes Javier to bicycle 51km, Maria can bicycle 69 km. How fast does each bicycle travel? \n" ); document.write( "
Algebra.Com's Answer #177022 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT OR T=D/R \n" ); document.write( "M=J+6 \n" ); document.write( "T=51/R \n" ); document.write( "T=69/(R+6) \n" ); document.write( "51/R=69/(R+6) CROSS MULTIPLY \n" ); document.write( "69R=51(R+6) \n" ); document.write( "69R=51R+306 \n" ); document.write( "69R-51R=306 \n" ); document.write( "18R=306 \n" ); document.write( "R=306/18 \n" ); document.write( "R=17 KMH IS JAVIER'S SPEED. \n" ); document.write( "17+6=23 KMH IS MARIE'S SPEED. \n" ); document.write( "PROOF: \n" ); document.write( "51/17=69/(17+6) \n" ); document.write( "3=69/23 \n" ); document.write( "3=3 \n" ); document.write( " \n" ); document.write( " |