Hi, well that depends, we do our fruit and veg shopping at hte markets each week as it is cheaper that way. so we usually spend $25 a week on fruit and veg, $40 at the butcher for the fortnight and $100 at the supermarket. so that's $190 a fortnight. We get away with that if I'm really strict and look for lots of bargains.
We also do all our other bills on a fortnightly basis as I find this helps. So we average our phone electricity and other bills and then pay half the monthly average every fortnight.
As for entertainment, we do that on a fortnightly basis, depending on the bills we may have nothing, but we try to aim for $50, that's some fuel and a meal out...

By the way I know doing fruit and veg, butcher and supermarket seems annoying but I think we worked out we are saving about $65 a fornight doing it that way!

Hope this helps, PM if you want some more specific help!