5 hours because 800/25=32
32= 2^5
25 X 1 = 25
25 X 2 = 50 AFTER FIRST HOUR
25 X 2^5 = 800 AFTER FIFTH HOUR
The answer is 7 1/2 becasue if you add the whole #s then the fractions you get the answer
Can you be more specific with what you’re talking about.
