Kelly plans to put her graduation money into an account and leave it there for 4 years while she goes to collge she recieves $750 in graduation money that she put into an account that earns 4.25% interest compound semi annually how much will be in kellys account at the end of four years

$

Step-by-step explanation:

Use the compound-interest formula:

Where:

FV=Future value or the ending amount

PV=Present value or the initial amount=750

n=Number of compoundings in any one year=2

t=Total number of years=4

r=interest rate=0.0425

Now, replacing the data in the equation:

$

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!