Me
$6,000 dollars is invested in two different accounts earning 3% and 5% interest. at the end of one year, the two accounts earned $220 in interest. how much money was invested at 3%?

$2,000
$3,000
$4,000

$4000 is invested in the account which earning 3% rate .

Step-by-step explanation:

Formula

As given

$6,000 dollars is invested in two different accounts earning 3% and 5% interest.

At the end of one year, the two accounts earned $220 in interest.

Let us assume that the x amount is invested in the account which earning 3% interest .

Let us assume that the (6000 - x ) amount is invested in the account which earning 3% interest .

Thus the equation becomes

Simplfy the above equation

22000 = 3x + 30000 - 5x

30000 - 22000 = 5x - 3x

8000 = 2x

x = $4000

Therefore $4000 is invested in the account which earning 3% rate .

b

step-by-step explanation:

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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