An hour is 60 minutes so 80-60 = 20 so 1 hour and 20 minutes.
7.5 divided by 1.5 is 5 so there are 5 lifeguards throughout the day.
If I am correct I do think the answer is 0.10 in decimal, in percentage it is 10% and fraction is 1 out of 30 I am not 100% sure so it would be better to double check
The answer would be 560 since looking at 6, 560 is an approximate estimate.
(My English not good sorry) :(
Answer:
lengthy x width so I think its 12x8