document.write( "Question 157574: A hiker hikes up a mountain 1mph slower than she hikes down the mountain. If it takes her 1.5 hours to hike up the mountain, and only 1 hour to hike down it, how fast does she move each direction? \n" ); document.write( "
Algebra.Com's Answer #116116 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D UP=(X-1)1.5 \n" ); document.write( "D DOWN=X*1 \n" ); document.write( "x=(x-1)1.5 \n" ); document.write( "X=1.5X-1.5 \n" ); document.write( "X-1.5X=-1.5 \n" ); document.write( "-.5X=-1.5 \n" ); document.write( "X=-1.5/-.5 \n" ); document.write( "X=3 MPH DOWN THE MY. \n" ); document.write( "3-1=2 MPH UP THE MT. \n" ); document.write( "PROOF: \n" ); document.write( "3=(3-1)1.5 \n" ); document.write( "3=2*1.5 \n" ); document.write( "3=3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |