A lacrosse league has 20 teams in its first year. The number of teams in the league increases by 20% in its second year. In the third year, the number of teams decreases by 25% from the second year. How many teams are in the league in the third year? Show your work.

Step-by-step explanation:

understand that in these types of questions you need to use algebra

Luke:

first week -x pounds

second week-i don't understand

third week-1+x pounds

Liam:

first week:

1-x

second week:

x-4

third week-i don't understand

hopefully this at least guides you to then solve the problem independently

have a nice day