Jamies wages for 5 hours of work are $79.75. At this rate, how many hours does Jamie need to work to earn $100.00?

Rationale

To earn $100.00, Jamie needs to work 5 x 100 / 79.75 hours.

To determine how many hours Jamie needs to work to earn $100.00, we set up a proportion based on his current earnings for 5 hours. The formula effectively scales his current work rate to find the necessary hours for the desired wage.

A (5 x 100 / 79.75) CORRECT

This choice correctly represents the calculation needed to find the number of hours Jamie needs to work to earn $100.00. By multiplying his current hours (5) by the desired wage ($100) and dividing by his current earnings ($79.75), we calculate the total hours required at his current wage rate.

B (79.75 / 5 x 100) YOUR ANSWER

This option incorrectly calculates the hourly wage by dividing his total earnings by hours worked and then multiplying by $100. While it provides an hourly rate, it does not calculate the required hours to reach $100. Instead, it gives a result that doesn't align with the question's requirements.

C (5 x 79.75 / 40 x 100) YOUR ANSWER

This choice introduces unnecessary complexity by dividing by 40, which does not relate to Jamie's current work scenario. The calculation does not lead to the required hours for reaching $100 and obscures the straightforward relationship between his current work hours and desired earnings.

D (5 x 79.75 x 100 / 100) YOUR ANSWER

This option simplifies to 5 x 79.75, which only reflects Jamie's total earnings for the 5 hours worked. It fails to provide any new information about how many hours Jamie needs to work to reach $100.00, thereby not addressing the question.

Conclusion

To find how many hours Jamie needs to work to earn $100.00, the correct approach is to apply the formula 5 x 100 / 79.75. This method accurately calculates the required hours based on his current wage rate, while the other options either miscalculate or provide irrelevant calculations. Understanding this relation allows for effective financial planning based on work hours and wage rates.

Jamies wages for 5 hours of work are $79.75. At this rate, how many hours does Jamie need to work to earn $100.00?

To earn $100.00, Jamie needs to work 5 x 100 / 79.75 hours.

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