Soldato
Starves??? think about it - when your feeding that many people you can buy stuff in larger quantities usually saving money, its much easier to cook cheaply to feed a larger number, etc. £280 is ample for a family of 4 if you don't eat out every other day.
It's just 4 people, he doesn't get volume discounts for a family of 4.
Simple exercise - take £2.25 to supermarket and try to create 3 meals for yourself. Now take £9 and try to come up with 3 meals for 4. Did it get any easier or are we all still eating cornflakes and frozen broccoli soup all week?

. That is all i ever eat for lunch! Cereal for breakfast, sandwich for lunch and then a main meal.