1. Peter works 8 hours a day in the month of November. His manager requested him to extend his time of work to the following month because there are bulk orders in the month of December. Find the percentage increase of his rendered daily time, if he works 12 hours per day in the following month?

To find the percentage increase in Peter's rendered daily time from November to December, we can follow these steps:

1. **Daily work hours in November** = 8 hours.
2. **Daily work hours in December** = 12 hours.

Now, let's calculate the percentage increase using the formula:

\[
\text{Percentage Increase} = \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \times 100
\]

Substituting the values:

\[
\text{Percentage Increase} = \frac{12 - 8}{8} \times 100 = \frac{4}{8} \times 100 = 0.5 \times 100 = 50\%
\]

So, the percentage increase in his daily working time is **50%**.

Would you like more details on this, or do you have any questions?

Here are some related questions to explore:
1. If Peter works on weekends, how many total hours will he work in December?
2. How much more total time will Peter work in December compared to November?
3. If Peter is paid hourly, how much extra would he earn with a 50% increase in hours?
4. What if Peter reduced his working hours by 25% instead of increasing them—what would his new daily hours be?
5. If the workday is extended to 14 hours in January, what would be the new percentage increase?

**Tip:** Percentage increase can always be calculated using the formula \( \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \times 100 \), which is useful in a wide range of contexts.

Peter works 8 hours a day in the month of November. His manager requested him to extend his time of work to the following month because there are bulk orders in the month of December. Find the percentage increase of his rendered daily time, if he works 12 hours per day in the following month?

Learn how to calculate the percentage increase in Peter's daily work hours from 8 hours in November to 12 hours in December. This problem involves basic arithmetic and percentage increase concepts, making it suitable for students in Grades 5-7. Includes a step-by-step solution.

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