Answer:
years = natural log (total / principal) / rate
years = natural log (18,400 / 9,200) / 10
years = natural log (2) / 10
years = 0.69314718056 / 10
years = 6.9314718056
and this would be the time for ANY amount of money to double.
Step-by-step explanation:
Answer: $ 12.05