SOLUTION: Jenny has R90 000 to invest. She has chosen one relatively safe investment fund that has an annual yield of
10% and another, riskier one that has a 15% annual yield. How much shou
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Question 1091495: Jenny has R90 000 to invest. She has chosen one relatively safe investment fund that has an annual yield of
10% and another, riskier one that has a 15% annual yield. How much should she invest in each fund if she
would like to earn R10 000 in one year from her investments?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = amount to invest @ 10%
Let = amount to invest @ 15%
--------------------------------------
(1)
(2)
------------------------------
(2)
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
----------------------------
and
(1)
(1)
(1)
----------------------------
She should invest R70 000 @ 10% and
R20 000 @ 15%
--------------------
check:
(2)
(2)
(2)
OK
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