1. 20% tip on a 30$ haircut 2. $80 gift marked up 60%
3. 7% tax on a $3 soda with an $8 burger

please help me :/

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

Which will form a composite function?