Question

Please help and no links.While shopping, you find a shirt that you want. The shirt originally costs p dollars but it is on

sale for 20% off. Which of the following expressions could you use to find the price of the shirt
after the discount where p is the original price of the shirt? Select all that apply.
a) 0.2p
b) 0.8p
c) P-0.27
d) p-0.8p

Answer 1

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.