1. "So that's how your money goes," said Mary, looking at the magazines her son had just bought. "How much did that rubbish cost you?" "You'll never understand," Steve replied. "But the pounds were two-thirds of the pence, and I would have paid about four pounds more if the pence in the total had been pounds and the pounds pence." How much, then?

7 pounds and 12 pence

7 pounds and 72 pence

8 pounds and 12 pence