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

algebra  Mac, Friday, September 4, 2015 at 7:24pm
15,000
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