document.write( "Question 421150: John lives twice as far from school as Mona does. If the total distance that John and Mona travel every school dayis 8.7 km . how far from school does John live? \n" ); document.write( "
Algebra.Com's Answer #294140 by ptaylor(2198)![]() ![]() You can put this solution on YOUR website! Let x=distance from school that Mona lives \n" ); document.write( "Then 2x=distance from school that John lives \n" ); document.write( "Now here we make an assumption: \n" ); document.write( "John and Mona travel to school AND back home each day \n" ); document.write( "So: \n" ); document.write( "2(x)+2(2x)=8.7 \n" ); document.write( "2x+4x=8.7 \n" ); document.write( "6x=8.7 \n" ); document.write( "x=1.45 km \n" ); document.write( "2x=2.90 km----------------distance from school that John lives\r \n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor \n" ); document.write( " |