A going out business sale has the entire store marked off 80% off. Which of the following is equivalent to 80%?

What numbers are included in the set of integers? what numbers are not included?

Which of the following is the result of expanding the series

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price