document.write( "Question 967770: a man is five times as old as his son. Four years ago he was nine times as old. Find their present ages. \n" ); document.write( "

Algebra.Com's Answer #591493 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
Today: $\"m=5s\"$ \r
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\n" ); document.write( "\n" ); document.write( "Four years ago: $\"%28m-4%29=9%28s-4%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "Substitute for m.
\n" ); document.write( " $\"5s-4=9%28s-4%29\"$
\n" ); document.write( " $\"5s-4=9s-36\"$
\n" ); document.write( " $\"5s-9s=-36%2B4\"$
\n" ); document.write( " $\"-4s=-32\"$
\n" ); document.write( " $\"highlight%28s=8%29\"$ \n" ); document.write( "

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