document.write( "Question 812333: Ten years ago, Jan was four times as old as Michael. Now, he is only twice as old as Michael. How old is Jan? \n" ); document.write( "

Algebra.Com's Answer #489107 by TimothyLamb(4379) $\"\"$ $\"About$

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j - 10 = 4(m - 10)
\n" ); document.write( "j = 2m
\n" ); document.write( "---
\n" ); document.write( "j - 10 = 4(m - 10)
\n" ); document.write( "2m - 10 = 4m - 40
\n" ); document.write( "2m = 30
\n" ); document.write( "---
\n" ); document.write( "m = 15
\n" ); document.write( "j = 30
\n" ); document.write( "---
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