so, start floor = x
x + 7 - 9 - 4 + 8 - 2 = 14
x = 14
the elevator started on the 14th floor.
to verify: 14 + 7 = 21 - 9 = 12 - 4 = 8 + 8 = 16 - 2 = 14
Answer:
b) 4
Step-by-step explanation:
$252.5
45(4.5)+50
202.5+50
=252.5
I do not understand very well but they are already helping me
