1,800 because if it follows a consistent pattern, 900 x 2 is 1,800.
Answer:
first off here are the things you need to know:
She parked her car 4 levels below the street
so let's make that 4
and he doctor's office is at the fifth level of the building which makes it 5
so; 4+5=9 meaning she ride the elevator 9 levels
1,200 square units altogether
