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Calculate the total number of hours worked in a normal 5-day week.

- Starts work at 7:30 a.m.
- Finishes at 4:30 p.m.
- Takes a 45-minute lunch break

How many hours does he work in a normal 5-day week?

Answer :

Final answer:

To determine the weekly working hours, subtract the start time from the end time to calculate the daily work duration, subtract the lunch break, convert to hours, then multiply by 5. A student working from 7:30 a.m. to 4:30 p.m. with a 45-minute lunch break works 41.25 hours in a 5-day week.

Explanation:

The student asks about calculating the total number of hours worked in a normal 5-day week given a start time of 7:30 a.m., an end time of 4:30 p.m., and a 45-minute lunch break each day. To solve this, first calculate the daily working hours by finding the difference between the start and end times and then subtracting the lunch break duration. After that, multiply the daily working hours by 5 to get the total weekly hours.

Here's the calculation step-by-step:

  1. Determine the total workday duration by subtracting the start time from the end time (4:30 p.m. - 7:30 a.m. = 9 hours).
  2. Subtract the 45-minute lunch break (9 hours - 45 minutes = 8 hours and 15 minutes).
  3. Convert the 15 minutes to hours (15 minutes = 0.25 hours).
  4. Add this to the full hours to get the total hours in a day (8 hours + 0.25 hours = 8.25 hours).
  5. Multiply the daily hours by 5 (5 days * 8.25 hours/day = 41.25 hours per week).

Therefore, the student works 41.25 hours in a normal 5-day week.

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Rewritten by : Barada

Answer: 41 hours and 15 minutes

Step-by-step explanation:


First, we count the time duration from 7:30am to 4:30pm, which is 9 hours.


Next, we subtract 45 minutes from 9 hours, which equals 8 hours and 15 minutes.

Last, we multiply that by 5 which equals 41 hours and 15 minutes.