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)![]() ![]() ![]() 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( " |