C
..............................
Answer:
A
Step-by-step explanation:
Answer:
Approximately 7.3%.
Step-by-step explanation:
What is percentage increase?
.
For this question:
,
, and
needs to be found.
Let
.
.
Assume that
. Multiply both sides of the equation by
:
.
Add
to both sides of the equation:
.
.
In other words, the initial percentage is approximately 7.3%.
Answer:
-15
Step-by-step explanation:
goes down -5 each time