An account earns simple interest. Find the annual interest rate.

I= $30

P= $250

t= 3 years

4 answers

250 * 3r = 30
now solve for r, and express as a %
P*r*t = I.
250 * r * 3 = 30.
750r = 30,
r = 0.04 = 4%.
None
An account earns simple annual interest.

$350 at 3% for 10 years
a. Find the interest earned.

$

b. Find the balance of the account.

$