Answer:
They won't
Explanation:
Benjamin makes 50 per week, and Bill spends 25 per week, here's a table with each week for 10 weeks.
- Ben 400, Bill 800
- Ben 450, Bill 775
- Ben 500, Bill 750
- Ben 550, Bill 725
- Ben 600, Bill 700
- Ben 650, Bill 675
- Ben 700, Bill 650
- Ben 750, Bill 625
- Ben 800, Bill 600
- Ben 850, Bill 575