document.write( "Question 439785: 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 #303949 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! Tom=3Mark \n" ); document.write( "2Mark+Tom=90. \n" ); document.write( "----------- \n" ); document.write( "Mark=1/3Tom \n" ); document.write( "2/3Tom+Tom=90 \n" ); document.write( "5/3Tom=90 \n" ); document.write( "5Tom=270 \n" ); document.write( "Tom=54 \n" ); document.write( "Mark=18. \n" ); document.write( " |