Solve.A certain amount of money saved for 1 year at a certain annual interest rate (simple interest) yielded $13.80 in interest. If we had added $23 to the principal and reduced the interest rate by 2 percentage point(s), the interest would have been the same. Find the principal and the rate.
A. $2.32, 17%
B. $14.00, 10%
C. $14.00, 12%
D. $115.00, 12%
Answer: D
Mathematics
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