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# A building has a number of floors of equal height, as well as a thirty-foot spire above them all. If the height of each floor in feet is h, and there are n floors in the building, which of the following represents the building’s total height in feet?

Question:

A
nh+30

Explaination

If there are *n* floors, and each floor has a height of *h * feet, then to find the total height of the floors, we just multiply the number of floors by the height of each floor: *nh*. To find the total height of the building, we must also add the height of the spire, 30 feet. So, the building’s total height in feet is nh+30.

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