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State law requires a minimum of 21 students per classroom with a maximum of 49 square feet per student. Mrs. Johnson’s 3rd grade class has 21 students and dimensions of 35 feet by 30 feet. Does her classroom meet the state regulations?

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Answer:

50 square feet per student is above the maximum of 49 square feet per student. So her classroom does not meet the state regulations.

Explanation:

A classroom has rectangular dimensions.

The area of a rectangle with dimensions a by b is given by the following equation:


A = ab

In this question:

Dimensions of 35 feet by 30 feet.

So the area, in square feet, is:


A = 35*30 = 1050

1050 square feet for 21 students.

So we have 1050/21 = 50 square feet per student.

This is above the maximum of 49 square feet per student. So her classroom does not meet the state regulations.

User Pieter Hintjens
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