document.write( "Question 704904:
\n" ); document.write( "mary is y year old.her father is 4 times older then mary.her mother is 7 years younger than her father.if their three ages add up to 101 years,find the value of y. find the ages of mary's parents
\n" ); document.write( "

Algebra.Com's Answer #434315 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
MARY=Y
\n" ); document.write( "FATHER=4Y
\n" ); document.write( "MOTHER=4Y-7
\n" ); document.write( "Y+4Y+4Y-7=101
\n" ); document.write( "9Y=101+7
\n" ); document.write( "9Y=108
\n" ); document.write( "Y=108/9
\n" ); document.write( "Y=12 AGE OF THE DAUGHTER.
\n" ); document.write( "4*12=48 AGE OF THE FATHER.
\n" ); document.write( "48-7=41 AGE OF THE MOTHER.
\n" ); document.write( "PROOF:
\n" ); document.write( "12+48+41=101
\n" ); document.write( "101=101
\n" ); document.write( "
\n" ); document.write( "
\n" );