Can someone please help me

How do you answer this question? (step by step)

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined