Question

Sarah bought 3 fish. Every month the number of fish she has doubles. After m months, she will have F fish, where F = 3× 2m. If Sarah keeps all of the fish and they allI live, how many fish will Sarah have after 3 months?

Answer 1

sarah starts with 3 fish
in 1 month she will have 6 fish
after 2 months she will have 12
in 3 months she will have 24