document.write( "Question 336345: Ralph jogs from his home to the stadium at 10 km/h. His trip home takes exactly one hour less because he takes a car traveling at 60 km/h. How far is it from Ralph’s home to the stadium? \n" ); document.write( "
Algebra.Com's Answer #241110 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=10T FOR THE RUN. \n" ); document.write( "D=60(T-1) FOR THE CAR RIDE. \n" ); document.write( "10T=60(T-1) \n" ); document.write( "10T=60T-60 \n" ); document.write( "60T-10T=60 \n" ); document.write( "50T=60 \n" ); document.write( "T=60/50 \n" ); document.write( "T=1.2 HOURS FOR THE RUN. \n" ); document.write( "D=10*1.2=12 MILES FROM HOME TO THE STADIUM. \n" ); document.write( "PROOF: \n" ); document.write( "12=60(1.2-1) \n" ); document.write( "12=60*.2 \n" ); document.write( "12=12\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |