Answer:
Plan B
Step-by-step explanation:
If you multiply 21 by $2.50 you get $52.5 then add $5 you get 57.5 and that's you outcome for Plan A
but if you multiply 21 by $1.50 you get $31.5 then add $24 you get $55.5 so the best and cheapest plan would be Plan B
Answer:
The borrower will pay back $4,136.
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.
After t years, the total amount of money is:
.
In this question:
Loan amount of 1760, so 
Interest rate of 13 and one half, so 13.5%. This means that
.
10 years, so 
Interest on the Loan:

Total amount:

The borrower will pay back $4,136.
Answer:
answer is 13
Step-by-step explanation:
13+38=51
4*13-1=51