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The 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.
Member rating: No Rating | Words: | Submitted: Mon Jun 28 2004
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Introduction A pay phone will take only 10p, 20p, 50p, and £1 coins. A woman has plenty of 10p and 20p coins. She has no other coins. She can put the coins into the pay phone in any order. To make a call costing 50p, she could put in the coins in any order; 20p, 20p, 10p or 10p, 20p, 20p or 10p, 10p, 20p, 10p There are more ways of making 50p with only 10p and 20p coins. 1. The 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. 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. 2. I am going to investigate the number of different...
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