Homework Help: algebra interest word problem

Posted by mark on Sunday, March 8, 2009 at 12:44pm.

Solve the problem. Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 11%. His total annual income from the two investments was $3990. How much was invested at 11%?

algebra interest word problem - economyst, Monday, March 9, 2009 at 6:11pm
see my answer to your re-post

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