431,512 views
37 votes
37 votes
Brian invests £4700 into his bank

account.
He receives 5.5% per year compound
interest.
How much will Brian have after 3
years?
Give your answer to the nearest penny
where appropriate.
GIVE ME THE RIGHT AWNSER BISHES

User Isaac Vidrine
by
2.5k points

1 Answer

10 votes
10 votes

Answer:

$5518.93

Explanation:

Compound interest formula:


A=P(1+(r)/(n))^(nt)

where P is the principal (starting amount), r is the interest rate, n is the number of times compounded per year, and t is the time in years.

The known variables are:

  • P = $4700
  • r = 5.5%
  • n = 1
  • t = 3

Plug those 4 into the equation now and solve for A:


\rightarrow A=4700(1+0.055)^3\\\rightarrow A=4700(1.055)^3\\\rightarrow A=4700*1.1742\\\rightarrow A=5518.9345

User Ya Wang
by
3.0k points