Asking the right question

For each problem, work out which question is the one to ask (based on the information given).

	On Thursday, the 5th January of 2007, Arthur went to the cinema. There were 310 people. The ticket price is 5 €.	How much money did the cinema make? How many films were projected in this room in January? How long do the film last?
	Mark invited his friends for his birthday. His mother bought 4 boxes of 5 ice creams. One box costs 10 €.	How old is Mark? How many guests are there? How much did the Mark's mother pay?
	During an excursion in the bicycle, Vincent cycles 25 km the morning and 18 km the afternoon.	How far did he cycle ? How long is the excursion ? How long does he stop?