SOLUTION: morton invested part of his $1200 at an annual rate of 5% and part at an annual rate of 7.5%. his total return on the two investments was $81. how much was invested at each rate
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Question 986390: morton invested part of his $1200 at an annual rate of 5% and part at an annual rate of 7.5%. his total return on the two investments was $81. how much was invested at each rate Answer by solver91311(24713) (Show Source):
