The total number of working hours in a year is
.
Further explanation:
In the question it is given that in a week a person works only in the weekends i.e., Saturday and Sunday.
On each working day the work shift is of
so, in
days the total working hour is
.
Since, in a week a person works for
so, the total working hours for each week is
.
In a year there are
so, the total number of working hour for
is calculated as follows:
This implies that the in a year a person works for
.
As given in the question a person took an off from work for
.
Since, in a week there are
working days so, the total number of days missed from the work in a week is
.
In
a person works for
so, the total number of working hours for
in calculated as follows:

This implies that if a person is absent from work for
this means that the person is absent for
.
The total number of working hours for a person who took a
off in a year is calculated as follows:

This implies that if a person took a
off then the person works for
in a year.
Therefore, the total number of working hours for a person who take a 2 week off is
.
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Answer details:
Grade: High school
Subject: Mathematics
Chapter: Simplification
Keywords: Simplification, hours, working hours, week, 2 week off, calculation, 800 hours, 8 hour shift, work in a year, weekend day.