document.write( "Question 653447: two motorcycles start at the same point and travel in oppisite directions. one travels 4 miles per hour faster that the other. in 3 hours they are 492 miles apart. how fast is each travelling? \n" ); document.write( "
Algebra.Com's Answer #408402 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! two motorcycles start at the same point and travel in opposite directions. one travels 4 miles per hour faster that the other. in 3 hours they are 492 miles apart. how fast is each travelling? \n" ); document.write( "--------\r \n" ); document.write( "\n" ); document.write( "Time is the same for both cyclists. \n" ); document.write( "---- \n" ); document.write( "distance = rate*time \n" ); document.write( "-------- \n" ); document.write( "distance + distance = 492 \n" ); document.write( "4x + 4(x+4) = 492 \n" ); document.write( "4x + 4x + 16 = 492 \n" ); document.write( "8x = 476 \n" ); document.write( "x = 59.5 mph (rate of the slower cyclist) \n" ); document.write( "----- \n" ); document.write( "x+4 = 63.5 mph (rate of the faster cyclist) \n" ); document.write( "=============================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |