Help me please
it doesn’t make sense

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

Find the domain of the following expression: 1/(√x)-2

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays