Help plz..And No links

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

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