2:4:2 in simplest form ratio

Easy points boii. read it. ya. fresh

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

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