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21 January, 04:32

There are 100 apartments in Brenna's building. The number of apartments per floor is equal to 4 times the number of floors in the building. How many apartments are on each floor?

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  1. 21 January, 05:05
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    Step-by-step explanation:

    Let the number of floors = x

    Number of apartments per floor = 4x

    4x * x = 100

    4x² = 100

    x² = 100/4

    x² = 25

    x = √25

    x = 5

    Number of apartments on each floor = 4*5 = 20
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