Young has $150.00 in a savings account that earns 5%
interest, compounded annually.
What will the balance be after 1 year?
Round to the nearest cent.
S

Respuesta :

Answer:

$157.50

Step-by-step explanation:

The equation you use for compound interest is:

[tex]A = P(1 + \frac{r}{n})^{nt}\\[/tex]

where:

A = final amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

So for this question,

150 is our initial balance = P

5% is our interest rate = r

n = 1 because the interest is compounded annually per 1 year so 1 per year

t = 1 because we are calculating the balance after 1 year

Now we can plug these in and solve for the final amount (A).

[tex]A = 150 ( 1 + \frac{0.05}{1})^{1 * 1}[/tex]

remember that 5% is 5/100 so we put 0.05 for r

[tex]A = 150 (1.05)^{1}[/tex]

A = 150 (1.05)

A = 157.5

Simple you earn 5% each yearn on your money so 10% of 150 is 15 split it in half to get 5% $7.50 add that to his original money then you got $157.50