PLEASE HELP WILL GIVE BRAINLIEST AND 100 MORE POINTS

Answer this question only if you know the answer! 30 points and

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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