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)\"\" \"About 
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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( "
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