Sujet: telephones liste de sujets
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	Bicycles and phone calls		2001-02-08
		Sarah pose la question : A bicycle has a diameter of 66 centimeters. How many times must the tire rotate to travel 1 kilometer?explain answer. Becky want to make a long distance call to her friend Sarah from a pay telephone.She has $5.00 in change.The call costs $0.90 for the first three minutes and $0.24 for each additional minute.How long can Becky talk to Sarah? Leeanne Boehm lui répond.
	Phone Number Possibilities		2000-01-09
		Hamilton Weston pose la question : How do phone companies arrive at the possible number of phone numbers that can be generated for customers? Harley Weston lui répond.
	Pay Phone Problem		1998-02-26
		Shameq pose la question : Hi, I've been given a problem that I'm having some trouble with. I'd really appreciate any help. Here's the question (it's called the Pay Phone Problem) A pay phone will take only 10p, 20p, 50p, and £1 coins"(It's British). 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. INVESTIGATE the number of different ways, she could put the 10p and 20p coins into the pay phone. Penny Nom lui répond.

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