Answer:
d. 17
Step-by-step explanation:
You are going to want to use the simple interest formula for this. The one below is modified for solving the interest earned.

<em>I = interest amount</em>
<em>P = principal amount</em>
<em>r = interest rate (decimal form)</em>
<em>t = time (years)</em>
First, change 4% into its decimal form:
4% ->
-> 0.04
Also, since the equation is in years, 6 months will be represented by 0.5. Next, plug in the values into the equation:


Your answer will be d. 17