SOLUTION: Lynn invested some money at 8%, and then invested $3000 more than twice this amount at 9%. His total annual income from the two investments was $3390. How much was invested at 9%?

Question 190307: Lynn invested some money at 8%, and then invested $3000 more than twice this amount at 9%. His total annual income from the two investments was $3390. How much was invested at 9%?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Let x -----> amount inv. at 8%
Also, twice this amount = 2x plus $3,000 = 2x + $3,000 -----> amount inv. at 9%

Then, Income on 8% + Income on 9% = $3,390

x = $12,000 amount inv. at 8%

Therefore,
= $27,000, amount inv. at 9% (Answer)

Check,

Thank you,
Jojo
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