document.write( "Question 1021402: Diego and Ken both leave the mall at the same time, but in opposite directions. If Ken travels 4 mph faster than Diego and after 6 hours they are 180 miles apart, how fast is each traveling?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #637116 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Couple of ways to do this... \n" ); document.write( "If they covered 180 miles between them, in 6 hours, then their combined rate was \n" ); document.write( "180 miles / 6 hours = 30 miles per hour \n" ); document.write( "Call Diego's rate, x. \n" ); document.write( "Then Ken's rate is x+4. \n" ); document.write( "Together they add to 30... \n" ); document.write( "x + x+4 = 30 \n" ); document.write( "2x + 4 = 30 \n" ); document.write( "2x = 26 \n" ); document.write( "x = 13 mph \n" ); document.write( "x+4 = 17 mph \n" ); document.write( " |