1. Betty looked at the 20p pieces in her brother's hand. "Is that all you've got?" she asked. "You had getting on for two pounds this morning." "That's right, and I've spent the rest," Steve told her. "A quarter of what I spent is exactly a third of what I've got left." How much had he spent?

Steve spent 90p, leaving him 80p

Steve spent one pound, leaving him 50p

Steve spent 80p, leaving him 60p