Half a pizza is never enough – especially if, like Brenda, you actually had

*less*than half. So, Alice and Brenda were back in the kitchen on a mission, opening all the remaining pizza boxes.

“Found one!” beamed Brenda. “This time, let

*me*cut it.” Alice looked sceptical, but thought it was fair enough. Brenda first cuts it in exactly the same way as Alice did, with two perpendicular cuts passing through a point that was not the centre of the circular pizza but lay within it. Before Alice could utter a word, Brenda cut her short, “But now I’m going to make two more cuts.”

Brenda’s two cuts went through the same common point and bisected the right-angles. There were now 8 slices of pizza, as shown in the diagram. “Now, let’s number each slice in sequence from 1 to 8. Would you like the even-numbered slices or the odd-numbered ones?” Alice looked at the pizza and thought... and thought... “It’ll get cold!” said Brenda impatiently. “Cold-

*er*!” was Alice’s laconic reply.

So which slices should Alice take? To make the diagram easier to look at, the even-numbered slices are in red and the odd-numbered slices in white.

Red or White?

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