document.write( "Question 1093581: Sarah asked her Grandma to tell her how old she was. She replied \"If you multiply my age by 3 then subract 100 you get the same answer as if you took my age and added 34\". Hold old is her Grandma? \n" ); document.write( "
Algebra.Com's Answer #708194 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! Sarah asked her Grandma to tell her how old she was. \n" ); document.write( " She replied \"If you multiply my age by 3 then subract 100 you get the same answer as if you took my age and added 34\". Hold old is her Grandma? \n" ); document.write( ": \n" ); document.write( "let a = age of grandma \n" ); document.write( "3a - 100 = a + 34 \n" ); document.write( "subtract a from both sides \n" ); document.write( "3a - a = 34 + 100 \n" ); document.write( "2a = 134 \n" ); document.write( "a = 134/2 \n" ); document.write( "a = 67 yrs \n" ); document.write( " |