I’m pretty sure it’s A but it could also me C
Hopes it right.
Answer:
2
Step-by-step explanation:
A = P( 1+r/n) ^ (nt)
P is the amount invested
r is the rate
n is the number of times per year the interest is compounded
t is the number of years
every 6 months is twice a year
so n is 2
Answer:

Step-by-step explanation:
Hello,
let's solve


There are two solutions

And

So we can write

Hope this helps.
Do not hesitate if you need further explanation.
Thank you