Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?
Fair Feast
Age 5 to 11 Challenge Level
How many tomatoes are there? So how many will they get each? What fraction of the whole pizza is one slice? How many slices will each boy get? How can you share the apple out fairly?