Acontestant on a game show has 50 points. she answer a question correctly to win 25 points. then she answers a question incorrectly and loses 45 points. what is the contestant 's final score?

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