1. "They're enormous," said Ann, tipping out the grapefruit onto the table. "But is that all you got for 3 pounds?" Her husband smiled. "Cheap for that size, and they were priced singly. There were smaller ones at five pence each less, but they didn't seem such good value." "We could've got two more for the money," Ann commented. "But you may be right." How many had he bought?

11 grapefruits at 32 pence each

10 grapefruits at 30 pence each

12 grapefruits at 40 pence each