document.write( "Question 440232: Tom is three times as old as Mark. Twice Mark's age plus Tom's age is 90. How old is each person \n" ); document.write( "
Algebra.Com's Answer #304156 by rwm(914)![]() ![]() ![]() You can put this solution on YOUR website! we have two unknowns so we need two equations. \n" ); document.write( "t=3m \n" ); document.write( "2m+t=90 \n" ); document.write( "2m+3m=90 \n" ); document.write( "5m=90 \n" ); document.write( "m=18 \n" ); document.write( "t=54 \n" ); document.write( "check \n" ); document.write( "36+54=90 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |