Answer:
25/3
Explanation:
In 1 day we have daytime and night time each 12 hrs
in the day time he climbs 5ft and at night he slips 2 ft
meaning he climbs a total of 3ft(5-2) each day
so to get the number of days he climbed uts 25ft /3 ft
Therefore he takes 25/3 days to reach the top
answer is approximately 8.33 days