Here's the question you clicked on:
Counterfeit
The formula for the amount with simple interest is A = P(1 + rt). Find t if A = 168, P = 150, and r = 0.08. A. 1.5 B. 2 C. 2.4 D. 3
All you have to do is plug in all the numbers they give you. Somebody can swoop in for a medal on this one, but i'm pretty sure you know how to do this, man.