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lina2011 [118]
3 years ago
13

You invest $720 in an account that has an annual interest rate of 6.2%, compounded semiannually. How much money will be in the a

ccount after 5 years? Round your answer to the nearest whole number and include units.
Show all work.
Mathematics
1 answer:
Daniel [21]3 years ago
3 0
The appropriate formula is
  A = P(1 +r/n)^(nt)
where P is the amount invested (720)
  r is the annual interest rate (0.062)
  n is the number of compoundings per year (2)
  t is the number of years (5)

Filling in the given numbers, you have
  A = $720·(1 + .062/2)^(2·5)
  A = $720·1.031^10
  A ≈ $977

After 5 years the account will hold $977.
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