document.write( "Question 817693: The present age average of a couple & their daughter is 35 years.Fifteen years from now,the age of the mother will be equal to the sum of present ages of the father & the daughter . Find the present age of the mother.
\n" ); document.write( "(A)45 years
\n" ); document.write( "(B)40 years \n" ); document.write( "
Algebra.Com's Answer #492146 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
(m + f + d)/3 = 35
\n" ); document.write( "m + f + d = 105
\n" ); document.write( "m + 15 = f + d
\n" ); document.write( "---
\n" ); document.write( "m + f + d = 105
\n" ); document.write( "m + m + 15 = 105
\n" ); document.write( "2m = 90
\n" ); document.write( "---
\n" ); document.write( "answer:
\n" ); document.write( "m = 45
\n" ); document.write( "---
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