Answer:
n = -5
I think the answer is -5, because:
The last number in the operation has a negative sign.
This can be a reason that it is-5.
Hope it helps!
Answer:
the third one

Step-by-step explanation:
You lose 20%.
if it were going up to 72 to 90 it would be a 25% increase
Answer:
C
Step-by-step explanation: