Homework Help: algebra

Posted by veronica on Tuesday, June 5, 2007 at 1:22am.

Janet invested $23,000, part at 6% and part at 17%. If the total interest at the end of the year is $2,260, how much did she invest at 6%?

Let x be the amount invested at 6%
Then 23,000 - x is invested at 17%.

0.06 x + 0.17 (23,000 - x) = 2260.

That equation can be solved fo x

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