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 Topic: phones
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 How long will you and your friend be able to talk? 2010-11-23 From beket:you and your friend leave your home town at the same time your friend travels by train 45 mph directly east while you travel by train 50 mph going directly south you are talking on cell phone but you plan charges extra if the phones are 100 miles apart. How long will you and your friend be able to talk before the charges increase?Answered by Penny Nom. Bicycles and phone calls 2001-02-08 From Sarah: 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? Answered by Leeanne Boehm. Phone Number Possibilities 2000-01-09 From Hamilton Weston:How do phone companies arrive at the possible number of phone numbers that can be generated for customers?Answered by Harley Weston. Pay Phone Problem 1998-02-26 From Shameq: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.Answered by Penny Nom.

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