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Mardi received an inheritance of $40,000. She invested part at 9% and deposited the remainder in tax-free bonds at 10%. Her total annual income from the investments was
$3700. Find the amount invested at 9%
O A $36,300
OB $29.000
oc 530,000
OD 515,000

Respuesta :

Answer:

The amount invested at 9% is $30,000

Step-by-step explanation:

Mardi received an inheritance of $40,000.

Let x be the amount invested at 9%.

So, Amount invested at 10% = 40000-x

Her total annual income from the investments was  $3700.

So, [tex]0.09x+0.1(40000-x)=3700[/tex]

[tex]0.09x+4000-0.1x=3700[/tex]

x=30000

Hence the amount invested at 9% is $30,000

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