Answer: First option is correct.
Step-by-step explanation:
Since we have given that
Amount invested = $396
Interest rate = 13% per year
Time = 3 years
We will use the "Exponential growth formula" i.e.

Here,
P denotes Principle amount
r denoted rate of growth
t denotes number of years,
So, it becomes

Hence, First option is correct.
Answer:
<h3>The answer is 89</h3>
Step-by-step explanation:

Cross multiply
That's

t = 18 + 71
t = 89
Hope this helps you
Step-by-step explanation:
complete the number line
Answer:
in step one, he splits up 63.81 incorrectly
Step-by-step explanation: