An apartment building contains 12 units consisting of one-and-two-bedroom apartments that rent for $1360 and $1450 per month, respectively. when all units are rented, the total monthly income is $49,500.what is the number of two-bedroom apartments?

X: number of one-bedroom apartments
y: number two bedroom apartments

x + y = 12
1360x + 1450y = 49,500

x = 12 - y

1360[12 - y] + 1450y = 49500

16320 - 1360y + 1450y = 49500

90y = 33180

y = 33180/90
y = 368.7

As per my understanding, It is weird that the result is not an integer number. I think that either the information is wrong or the person who created the problem didn't realize this result.