A professional athlete deposited an amount of money into a high-yield mutual fund that earns 14% annual simple interest. A second deposit, $2,400 more than the first, was placed in a certificate of deposit earning 8% annual simple interest. In one year, the total interest earned on both investments was $456. How much money was invested in the mutual fund?

Answers

Answer 1
Answer:

Answer:

$1,200

Step-by-step explanation:

Let x be the amount of money deposited in the mutual fund. The interest earned by that investment can be determined as the amount deposited times the interest rate:

I_(1) = x*0.14

The value the second deposited can be determined as x+$2,400 and its interest earned is defined in the same manner as the first deposit's:

I_(2) = (x+2400)*0.08

The total interest on both investment equals the sum of both interests:

456=I_(1)+I_(2)\n456=(x+2,400)*0.08 +x*0.14\nx=(456-192)/(0.22)\n x=1,200

$1,200 were invested in the mutual fund.


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Answers

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Answers

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Answers

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Answers

Answer:

Let the full marks be y.

Then, the statement become : 30 marks is 40 % of y.

to solve for y;

40% of y can be written as (40)/(100) * y

Then,

from the given condition we have;

(40)/(100) * y =30

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Multiply both sides by (10)/(4) in above equation;

(4)/(10)y * (10)/(4) =30 * (10)/(4)

Simplify:

y= (300)/(4)=75

Then, the full marks (y) = 75.

Therefore,  30 marks is 40% of 75.

Check:

30 = (40)/(100) * 75

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100% are 75 marks because,
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then you half 30 which is 15
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Answers

45÷9=5 they can put 5 plants in each square feet.

Answer:

They can put 5 plants in each square feet.

Step-by-step explanation:

45÷9 = 5