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The Pay Phone Problem
- Words:
- 2057
- Submitted:
- Thu Jul 11 2002

... The Pay Phone Problem Introduction This coursework is about finding all the possible combinations for putting money in to payphones using various different coins and using those results to try to find a formula that works so you would successfully be able to predict how many coins you would have to put in the payphone for the next total without having to go through all the listings. Objective 1) A woman is going to make a phone call costing any multiple of 10p. I am going to investigate the number of different ways she could put the 10p and 20p coins into the payphone. 2) A man also wants to use the pay phone. He has plenty of 10p and 50p coins. He has no other coins. He wishes to make a telephone call costing any multiple of 10p. I am going to investigate the number of different ways he has of entering the 10p and














