On Average, It Takes a Teacher 45 Minutes to Grade

question 278

Short Answer

On average, it takes a teacher 45 minutes to grade a set of quizzes. It takes her teacher's aide twice as long to do the same grading. How long will it take if they work together to grade a set of quizzes?
__________ min

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Definitions:

Combination of L and C

A concept relating to electrical engineering, where L represents inductance and C capacitance, forming a resonant circuit often used in radio frequency applications.

Least-Cost Rule

A principle in economics that production should be carried out in a way that minimizes the cost of inputs, ensuring that resources are used efficiently.

Unit Cost

The amount a company spends to create, store, and market one instance of a certain product or service.

Least-Cost Combination

The least-cost combination is an economic principle that refers to the mix of factors of production that minimizes costs for a given level of output.