Answer:
260 days
Explanation:
Total provision for one day = 120 x 200 = 24,000
After 5 days, provision reduced by =120 x 5 = 600
So, left provision = 24,000 - 600 = 23,400 men
After 5 days, men left = 120- 30=90
Food lasting = 23400/90= 260 days more