Liam goes on holiday to Switzerland. The exchange rate is £1 = 1.10 CHF
He changes £280 into Swiss Francs (CHF). Work out how many Swiss Francs he receives.
When Liam returns from holiday he changes 150 CHF back into pounds. The exchange rate is now £1 = 1.08 CHF
Work out how many pounds (£) Liam receives. Give your answer to the nearest penny.