Answer:
2 days
Explanation:
On the first day, Adam has 2 dollars and adds 2 dollars to that which is 4. On that same day, Brodie spends 1 dollar and ends up with 7. The next day, Adam adds 2 more dollars and ends up with 6 and Brodie spends another dollar and ends up with 6. On the second day is when they will have the same amount of money.