SOLUTION: James invested some money at 14% interest. James also invested $54 more than 2 times that amount at 11%. How much is invested at each rate if James receives $1384.38 in interest af
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-> SOLUTION: James invested some money at 14% interest. James also invested $54 more than 2 times that amount at 11%. How much is invested at each rate if James receives $1384.38 in interest af
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Question 1096860: James invested some money at 14% interest. James also invested $54 more than 2 times that amount at 11%. How much is invested at each rate if James receives $1384.38 in interest after one year? Answer by josmiceli(19441) (Show Source):
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------------------------
(1)
(2)
(3)
(4)
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Plug (3) into (2)
(2)
Plug (1) and (2) into (4)
(4)
(4)
(4)
and
(3)
(3)
(3)
---------------------------
(1)
(1)
and
(2)
(2)
----------------------------
$3,829 invested @ 14%
$7,712 invested @11%
----------------------------
check:
(4)
(4)
(4)
OK
