There is a group of 18 people who are ordering pizza. If each person gets 3 slices and each pizza has 9 slices, how many pizzas should they order?
Each person eats 3 slices of pizza, the group in total eats 18 x 3 = <<18*3=54>>54 slices.
There are 54 slices in 54 / 9 = <<54/9=6>>6 pizzas.
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