document.write( "Question 281515: a man is 5times as old as his son. In 5 years he will be only 3 times as old as his son, find the present age? \n" ); document.write( "

Algebra.Com's Answer #204511 by JBarnum(2146) $\"\"$ $\"About$

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$\"m\"$ =mans present age
\n" ); document.write( " $\"s\"$ =sons present age
\n" ); document.write( " $\"m=5s\"$ \"a man is 5times as old as his son.\"
\n" ); document.write( " $\"m%2B5=3%28s%2B5%29\"$ \"In 5 years he will be only 3 times as old as his son\" \"In 5 years\" means man+5 years and son+5 years
\n" ); document.write( "use substitution for m and solve for s
\n" ); document.write( " $\"5s%2B5=3%28s%2B5%29\"$
\n" ); document.write( " $\"5s%2B5=3s%2B15%29\"$
\n" ); document.write( " $\"2s%2B5=15%29\"$
\n" ); document.write( " $\"2s=10%29\"$
\n" ); document.write( " $\"highlight%28s=5%29%29\"$
\n" ); document.write( " $\"m=5s\"$
\n" ); document.write( " $\"m=5%285%29\"$
\n" ); document.write( " $\"highlight%28m=25%29\"$ \n" ); document.write( "

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