Answer: He can expect 4 boxes to have to buy in order to get all four toys.
Explanation:
Since we have given that
Number of different toys = 4
According to question, A breakfast cereal company gives away a free toy in each box of cereal.
So, for each toy, there are needed 1 box.
so, for four toys, there are needed 4 boxes.
Hence, he can expect 4 boxes to have to buy in order to get all four toys.