Can someone help me with this pleaseee

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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.

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose