Answer: 6.93 years
Step-by-step explanation:
Given
Rate of interest is 
Future value is given by 
For the investment to double itself, i.e. 

It takes around 6.93 years to double the investment.
Answer: The answer is 62.32
Step-by-step explanation:
See attachment
Answer:
The $50,000 amount of coverage is called the Death benefit or face value.
Step-by-step explanation:
Consider the provided information.
Sally took out a $50,000 life insurance policy.
The face value, or death benefit is the amount of money a life insurance policy would pay upon the insured person's death to the beneficiary.
Hence, the $50,000 amount of coverage is called the Death benefit or face value.