The one that isn’t rationals is B.
Answer:
if you download photomath it will tell u all the math problems to answer
Y=24x+48
24 per hour (x) plus the 48 she already made would equal a total (y).
Okay, this is not really an answer, but I think in 2020, we will be in the 20 trillions. O know that is not the answer you were looking for, but its all I got.