On Thursday, a school's assembly hall is free for 120 minutes after lessons. The drama group wants to use the hall for 90 minutes that afternoon, and the orchestra also wants to use it for 90 minutes that afternoon.
Using the times given, explain why the school faces a problem of scarcity when deciding how to use the hall on Thursday.
77 exam-style questions on OCR GCSE Economics 1.2 The basic economic problem, covering 1.2.1 Scarce resources and unlimited wants, 1.2.2 The economic problem, 1.2.3 Opportunity cost, and 1.2.4 Costs and benefits of economic choices. Each one has a worked solution and a mark scheme showing where the marks go.