Question

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?

Answer 1

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