Solve.A certain amount of money saved for 1 year at a certain annual interest rate (simple interest) yielded $25.80 in interest. If we had added $86 to the principal and reduced the interest rate by 1 percentage point(s), the interest would have been the same. Find the principal and the rate.
A. $7.00, 6%
B. $8.67, 9%
C. $7.00, 5%
D. $430.00, 6%
Answer: D
Mathematics
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