Solve the problem.Mary finds 8 fish at a pet store that she would like to buy, but she can afford only 5 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?

A. 336; 210
B. 56; 35
C. 6720; 840
D. 3360; 420


Answer: B

Mathematics

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