document.write( "Question 830267: if sum of age of father and son at present is 60 years what will be their age aftet 15 years? \n" ); document.write( "

Algebra.Com's Answer #500493 by Fombitz(32388) $\"\"$ $\"About$

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1. $\"F%2BS=60\"$
\n" ); document.write( "15 years from now,
\n" ); document.write( " $\"%28F%2B15%29%2B%28S%2B15%29=F%2BS%2B30\"$
\n" ); document.write( "Then from eq. 1,
\n" ); document.write( " $\"%28F%2B15%29%2B%28S%2B15%29=60%2B30\"$
\n" ); document.write( " $\"%28F%2B15%29%2B%28S%2B15%29=highlight%2890%29\"$
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