Eva invested a certain amount of money at 13% interest and $2,500 more than that amount at 15%. Her total yearly interest was $1,775. How much did she invest at each rate?
A. $2,500 at 13%, $5,000 at 15%
B. $5,000 at 13%, $7,500 at 15%
C. $5,200 at 13%, $7,300 at 15%
D. $5,200 at 13%, $7,700 at 15%
E. $7,500 at 13%, $5,000 at 15%
Answer: B
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