For a maintenance contract, a millwright needs to inspect 7 different generators. Each inspection takes 4 weeks. Assuming a 5-day workweek, how many workdays are required?

To find how many workdays are required for the millwright to inspect 7 different generators, given that each inspection takes 4 weeks and a 5-day workweek:

1. **Determine workdays per generator:**
   - Each inspection takes 4 weeks.
   - Since there are 5 workdays in a week, the total number of workdays per generator is:
   
   \[
   4 \text{ weeks} \times 5 \text{ days/week} = 20 \text{ workdays/generator}
   \]

2. **Determine total workdays for 7 generators:**
   - The millwright needs to inspect 7 generators.
   - The total number of workdays for inspecting all 7 generators is:
   
   \[
   7 \text{ generators} \times 20 \text{ workdays/generator} = 140 \text{ workdays}
   \]

Thus, the total number of workdays required is **140 workdays**.

Would you like more details or have any questions?

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Here are 5 related questions for further exploration:
1. How many calendar weeks will the inspection take if the millwright works continuously without breaks?
2. What if one generator required more time, say 6 weeks, how would that affect the total?
3. How many workdays would be saved if two inspections were done simultaneously?
4. How would vacation or holidays affect the total workdays required?
5. If the workweek was reduced to 4 days per week, how many workdays would it take?

**Tip:** When calculating tasks over weeks or months, always ensure to distinguish between workdays and calendar days to avoid errors.

This solution explains how to calculate the number of workdays required to inspect 7 generators, each taking 4 weeks with a 5-day workweek. Using basic multiplication and time unit conversions, the total number of workdays is determined as 140. Suitable for students in Grades 6-8.

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