PLEASE HURRY I'M BEING TIMED HELP PLEASE!!!
This year, a construction company had expenses of $900 million, which was $50 million more than the expenses from last year. How much were last year’s expenses?
A. $900 million
B. $850 million
C. $50 million
D. $950 million
(sorry if this is really simple, please don't be mad at me, I'm bad at math..)