What is a math teachers favorite breakfast? its an algebra math worksheet riddle

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days