Suppose that one canister of Pringles costs £25, that of Macadamia Nuts costs $5 per can, and that the relative price of Macadamia Nuts in terms of Pringles is 3 cans per canister. Figure out the following:
a) The dollar-pound exchange rate, i.e. the price of a pound sterling in terms of the dollar.
b) The dollar price of Pringles and c) the pound price of macadamia nuts.