Add and subtract amounts of money to give change, using both £ and p in practical contexts

1. Linh at the sweet shop: £2 - (30p + 5 x 10p)
2. Bargain Basement: £40 - (3 x £6 + 2 x £4)
3. Anyone for a burger? £20 - (£6 + £5 + £2)
4. Anyone for a burger? £50 - (£6 + £6 + £1 + £4 + £3 + £3)
5. Anyone for a burger? £20 - (£6 + £5 + £1 + £3)
6. Anyone for a burger? £20 - (£5 + £4 + £1 + £2)