A children's birthday party at an indoor play center costs $50 to rent the space and $6.25 per child. Gina wants to spend no more than $100 on her son's fourth birthday party. Write an inequality for the number of children who can attend the birthday party, and solve the inequality.
A) 50 + 6.25x ≤ 100; x ≤ 8
B) 50 + 6.25x < 100; x < 8
C) 50 + 6.25x > 100; x > 8