SOLUTION: Need help setting this up: A couple invested part of $12,000 at 6% interest, and the rest at 7.5%. If their target annual income os $810, how much money should they invest in each

Question 884939: Need help setting this up:
A couple invested part of $12,000 at 6% interest, and the rest at 7.5%. If their target annual income os $810, how much money should they invest in each account?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = amount invested @ 6%
= amount invested @ 7.5%
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They need to invest half of the $12,000
at each rate
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check:

OK
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