I hope this helps you
18c-27d
9×2c-9×3d
9 (2c-3d)
Answer: A. The value of his investment decreased by 16% during this time period.
Step-by-step explanation:
Here the initial amount = n
Final amount after 1 years = 0.84n
The total change in the initial amount = n - 0.84n = 0.16 n

= 
Thus, the amount is decreases by 16% in one year,
⇒ Option A is correct.
Answer:
do the work
Step-by-step explanation:
I believe the correct answer is A