document.write( "Question 333635: Karen left her house heading east, and her sister left two hours later heading west at a rate 5 mph faster than Karen. Six hours after Karen left, she and her sister were 600 miles apart. How fast was Karen moving? \n" ); document.write( "
Algebra.Com's Answer #239158 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Karen left her house heading east, \n" ); document.write( "her sister left two hours later heading west at a rate 5 mph faster than Karen.\r \n" ); document.write( "\n" ); document.write( " Six hours after Karen left, she and her sister were 600 miles apart. How fast was Karen moving? \n" ); document.write( "Karen speed be x mph \n" ); document.write( "Karen has traveled 6x miles (in 6 hours) \n" ); document.write( ".. \n" ); document.write( "sister x+5 mph . \n" ); document.write( "Sister has traveled 4(x+5) miles. left 2 hours later. \n" ); document.write( ".. \n" ); document.write( "4(x+5)+6x =600 \n" ); document.write( "4x+20+6x=600 \n" ); document.write( "10x+20=600 \n" ); document.write( "10x=600-20 \n" ); document.write( "10x=580 \n" ); document.write( "x= 58 mph speed of Karen \n" ); document.write( " |