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TEA [102]
3 years ago
12

Evaluate the expression 2/5 divided by 1/5 plus 4/5 divided by 1/3

Mathematics
1 answer:
Anna007 [38]3 years ago
6 0

Answer:

The answer I got is 4 2/5.

Step-by-step explanation: 2/5 divided by 1/5 is 2. 4/5 divided by 1/3 is 2 2/5. 2 plus 2 2/5 is 4 2/5.

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if my medical expenses are $30,000 per year for 35 years with inflation at 5.13% how much money would I have to put in an intere
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Answer:

  $1,021,337.13

Step-by-step explanation:

The sum of present values of medical expenses is ...

  30,000/1.05 +30,000(1.0513)/1.05^2 +30,000(1.0513^2)/1.05^3 +...

So, the series has an initial value of 30,000/1.05 and a common ratio of 1.0513/1.05. Its sum is given by ...

  S = a(r^n -1)/(r -1)

where a = 30,000/1.05, n = 35, r = 1.0513/1.05.

Filling in these values and doing the arithmetic, we get ...

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You need an initial deposit of $1,021,337.13 to cover rising expenses for 35 years.

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