R rnieckau Active Member Joined Dec 27, 2006 Messages 35 Reaction score 2 Location Slaapstad Jun 30, 2009 #1 "Next year," said a builder to his grandson, "this building will be six times as old as it is now, less six times as old as it was 10 years ago." How old is the building?
"Next year," said a builder to his grandson, "this building will be six times as old as it is now, less six times as old as it was 10 years ago." How old is the building?
T The_Pumpkin_King Jedi Master Joined Sep 11, 2008 Messages 21,225 Reaction score 7,738 Location Gliese 581 d Jun 30, 2009 #2 59? thats whats i got
D Drake2007 Expert Member Joined Oct 23, 2008 Messages 4,509 Reaction score 78 Location jhb Jun 30, 2009 #3 Y+1=6.Y-6.(Y-10) =59