SOLUTION: Terry Edwards invested $3000 for two years, part at 3.5% simple interest and the rest at 2.5% simple interest. After two years, she earned a total interest of $190. How much was in

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Question 1074206: Terry Edwards invested $3000 for two years, part at 3.5% simple interest and the rest at 2.5% simple interest. After two years, she earned a total interest of $190. How much was invested at each rate?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
0.035x%2B0.025y=95, if it were 1 year. No compounding for simple interest.
7x%2B5y=19000 when simplified.

x%2By=3000


7x%2B5y-5x-5y=19000-15000
2x=4000
highlight%28x=2000%29, at 3.5%
-
highlight%28y=1000%29, at 2.5%