Melvin plays tennis and swims for a total of 110 minutes every day. He plays tennis 40 minutes more than he swims.

Part A: Write a pair of linear equations to show the relationship between the number of minutes Melvin plays tennis (x) and the number of minutes he swims (y) every day. (5 points)

Part B: How much time does Melvin spend swimming every day? (3 points)

Part C: Is it possible for Melvin to have spent 70 minutes playing tennis every day? Explain your reasoning. (2 points)

(10 points)