In a factory, the average weekly salary for each employee, including both officers and workers, is $50. Officers earn an average of $350 each, while workers receive an average of $40. Given that there are 25 officers, how many workers are employed in the factory?

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550

600

750

Correct

800

850

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Official Explanation

Official

The total salary for the officers is calculated as $350 imes 25 = 8750. The total salary for the workers can be represented as $40 imes y, where y is the number of workers. The overall…

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Comments

ValerioDec 25, 2024

Thankss

PrishaOct 31, 2024

thanksss

What this question tests

What it tests

Your ability to reason about weighted averages and the composition of mixtures.

Common trap

Averaging the percentages of two solutions without weighting by their volumes.