If $20,000 interest is invested in x percent simple annual interest for n years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the n years? Choose the correct choice from the following answers
A) 10,000(x^n) B) 20,000n(x/100) C) 20,000(x/100)^n D) 10,000(1 + x/100)^n E) 10,000n(1 + x/100)
Principal * no.of years * percentage of interest   Answer : 20,000n(x/100)
<result>B</result>
If $20,000 interest is invested in x percent simple annual interest for n years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the n years?