Solve the problem.Sara invested $7900 in two stocks paying 
and 
annual interest, respectively. At the end of the year, the total interest from these investments was $577. How much was invested at each rate?
A. $7900 at 8% and $0 at 7%
B. $2400 at 8% and $5500 at 7%
C. $3950 at 8% and $3950 at 7%
D. $5500 at 8% and $2400 at 7%
Answer: B
Mathematics
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