The answer is B. C and D definitely aren’t answers, so we only have A and B left. I decided to use an example problem to see which one works. In the example I created, the shirt is 40 dollars. Before I plug in my number, I checked to see what 20 percent of 40 is. That is 8. I multiplied 0.2(40) to get 8. This doesn’t answer the question though, this isn’t the price of the shirt after the discount. I decided to do 0.8(40) to give me 32. This is correct, since 40 - 8 = 32.
