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Answer: The total interest Tom would pay in addition to paying back his $9000 in principal is (c) $2,970.
The simple interest formula gives us the interest that is due on the principal over a given period of time at a given rate of interest.
The Simple Interest Formula is:
[tex]\mathbf{A = (P)(r)(t)}[/tex]
where
A = interest accrued on the principal
P = is the principal i.e. amount that is loaned or borrowed
r = interest rate
t = number of years interest is calculated.
Substituting the values in the formula we get,
[tex]A = (9000)(0.11)(3)[/tex]
[tex]\mathbf{A = 2,970}[/tex]
The total interest Tom would pay in addition to paying back his $9000 in principal is (c) $2,970.
The simple interest formula calculates the amount of interest due on the principal over a specified time period at a specified rate of interest.
The Simple Interest Formula is:
A = (P)(r)(t)
where
- A = interest accrued on the principal
- P = is the principal
- r = interest rate
- t = number of years interest is calculated.
Substituting the values in the formula we get,
A = (9000)(0.11)(3)
A = 2,970
For more information about Principal and amount refer to the link:
https://brainly.com/question/4478897?referrer=searchResults