document.write( "Question 244660: Kacie started on her bike at 15 miles per hour. Colleen left 2 and 1/2 hours later traveling at a rate of 25 miles per hour. How long did it take her to catch Kacie? \n" ); document.write( "
Algebra.Com's Answer #178882 by JimboP1977(311)![]() ![]() You can put this solution on YOUR website! d=15*t \n" ); document.write( "d=25*(t-2.5)\r \n" ); document.write( "\n" ); document.write( "15t=25(t=2.5) \n" ); document.write( "15t=25t-62.5 \n" ); document.write( "-10t=-62.5 \n" ); document.write( "t=6.25 hours\r \n" ); document.write( "\n" ); document.write( "So it took Colleen 3 hours 45 mins (from the time Colleen started) to catch Kacie. \n" ); document.write( " |