Answer:
The amount of interest earned at the end of 14 years would be $672.3486
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
In this problem, we have that:

So

The amount of interest earned at the end of 14 years would be $672.3486
a. if the return trip is the same then the bird traveled 40miles
b. the time of the trip is x hours + 6/x-4
Hope this helps!
Answer:
i dont know
Step-by-step explanation:
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