Orange: The grandmother hypothesis speculates that women raise their inclusive fitness by helping raise their grandchildren (instead of having additional children themselves). Grandmothers are related to their children by 1/2 and their grandchildren by 1/4. If women over forty could successfully raise .47 children per year over a period of 30 years, how many grandchildren (in addition to those her daughter(s) could raise on their own) would she need to support over that same time period to make menopause the best (fitness) solution?.