SOLUTION: Juanita invests $10,000 in three different ways. With part of the money she purchases mutual funds that yield 8%. The second part, which is twice that of the second, she buys feder

Question 1084875: Juanita invests $10,000 in three different ways. With part of the money she purchases mutual funds that yield 8%. The second part, which is twice that of the second, she buys federal bonds that yield 9%. She invests the rest in a bank at 5% interest. The first year she earns $830 in interest. How much did she invest each way?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The sentence " The second part, which is twice that of the second,
she buys federal bonds that yield 9% " I assume needs the change
" which is twice that of the first "
--------------------------------
Let = amount invested at 8%
= amount invested at 9%
= amount invested at 5%
----------------------------------------
I assume each investment is simple interest
yr
---------------

----------------------

------------------------------

and

----------------------------------
the investments were:
$3,000 @ 8%
$6,000 @ 9%
$1,000 @ 5%
-------------------------
check answers:

OK

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