SOLUTION: A bank loaned out
​$16 comma 000
​,
part of it at the rate of
7 %
per year and the rest at
17 %
per year. If the interest received in one year totaled
​$2
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-> SOLUTION: A bank loaned out
​$16 comma 000
​,
part of it at the rate of
7 %
per year and the rest at
17 %
per year. If the interest received in one year totaled
​$2
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Question 1038477: A bank loaned out
$16 comma 000
,
part of it at the rate of
7 %
per year and the rest at
17 %
per year. If the interest received in one year totaled
$2000
,
how much was loaned at 7 % question mark Found 2 solutions by addingup, josmiceli:Answer by addingup(3677) (Show Source):
You can put this solution on YOUR website! 0.07x+0.17(16,000-x) = 2,000
0.07x+2,720-0.17x = 2,000
-0.10x = -720 Divide both sides by 0.10 and remember -/- = +
x = 7,200 was loaned at 7%
You can put this solution on YOUR website! Let = the amount loaned at 7%
Let = the amount loaned at 17%
---------------------------------
(1)
(2)
--------------------------
(1)
Multiply both sides of (2) by and
subtract (2) from (1)
(1)
(2)
---------------------------
and
(2)
(2)
(2)
-------------------
$7,200 was loaned at 7%
--------------------------
check:
(1)
(1)
(1)
(1)
OK
