A savings account earns 8% interest each year, compounded quarterly (4 times a year). If a person invests $100 and make no further deposits or withdrawals, what is the balance in the account after 3 years

Solution:

The formula for compound interest, including principal sum, is:

Where,

A = the future value of the investment

P = the principal investment amount

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested

From given,

p = 100

t = 3 years

r = 8 % = 8/100 = 0.08

n = 4 times

Therefore,

Thus the balance in account after 3 years is $ 126.82

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to