Lance is buying a car for $21,500. he wants to pay 15% as a down payment. how much will his down payment be?

Having a hard time understanding this question (see attachment).

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?

Can someone plz me with 11,12,13 plz show work