SOLUTION: Amand invests $25,000, part at 5% and the rest at 6%. The annual return on the 5% investment exceeds the annual return on the 6% investment by $40. How much did she invest at eac

Question 156162This question is from textbook Intermediate Algebra
: Amand invests $25,000, part at 5% and the rest at 6%. The annual return on the 5% investment exceeds the annual return on the 6% investment by $40. How much did she invest at each rate? Also can't figure out how to set this one up.
Thanks This question is from textbook Intermediate Algebra

Answer by SAT Math Tutor(36) (Show Source): You can put this solution on YOUR website!
The part invested at 5% we'll call x so the part invested at 6% is (25000-x).
So:
x*.05 - 40 = (25000-x)*.06
x*.05 - 40 = 1500-x*.06
x*.11 - 40 = 1500
x*.11 = 1540
x = 14000
So, $14000 was invested at 5% and (25000-14000) = $11000 was invested at 6%.
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