document.write( "Question 155566: Mark is 3 years older than Jane. In 4 years, Mark will be 1.5 times as old as Jane. How old is Mark now? \n" ); document.write( "
Algebra.Com's Answer #114663 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! M=J+3 \n" ); document.write( "M+4=1.5(J+3) \n" ); document.write( "J+3+4=1.5J+4.5 \n" ); document.write( "J+7=1.5J+4.5 \n" ); document.write( "J-1.5J=4.5-7 \n" ); document.write( "-.5J=-2.5 \n" ); document.write( "J=-2.5/-.5 \n" ); document.write( "J=5 YEARS OLD FOR jANE \n" ); document.write( "M=5+3=8 YEARS OLD FOR MARK. \n" ); document.write( "PROOF: \n" ); document.write( "8+4=1.5(5+3) \n" ); document.write( "12=1.5*8 \n" ); document.write( "12=12 \n" ); document.write( " \n" ); document.write( " |