Answer: 598,909 people visit the monument in September after the first week.
Explanation:
Given : A national monument had 160,747 visitors during the first week of September.
A total of 759,656 visited the monument in September .
Then , by using SUBTRACTION OPERATION, we have
The number of people visit the monument in September after the first week is given by :-
Total people visit- People visit in first week
=759,656-160,747=598,909
Hence, 598,909 people visit the monument in September after the first week.