Homework Help: algebra

Posted by Sarah Mae B. Oquindo on Friday, February 12, 2010 at 10:10am.

Could you please answer this?
Investment. Part of $25,000 is invested at 10 percent, another part is invested at 12 percent, and a third part is invested at 16 percent. The total yearly income from these three investments is $3,200. Furthermore, the income from the 16 percent investment yields the same amount as the sum of the incomes from the other two investments. How much is invested at each rate?

algebra - bobpursley, Friday, February 12, 2010 at 12:09pm
Let A, B, C be the amounts invested at 10, 12, and 16 percent.

A*.10+B*.12+C*.16=3200
C*.16=A*.10+B*.12
A+B+C=25,000

Can you solve it now?

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