Complete Question:
4 friends evenly divided up a n-slice pizza. One of the friends,Harris, ate 1 fewer slice than he received. How many slices of pizza did Harrison eat?
Answer:
Harrison ate
slices of pizza.
Explanation:
Given data, 4 friends evenly divided up a ānā slice pizza.
Thereby, the number of slices that each friend get =

Now, given Harrison ate 1 fewer slice than he received. As he received
slices, so 1 fewer than
means

Thus, Harrison ate
slices of pizza.