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need to find out how much it cost for a phone bill

Mathematics
Tutor: None Selected Time limit: 1 Day

George's telephone plan charges $10.00 for the first 400 minutes. Each minute over 400 cost $.05. Goerge made 500 minutes of phone calls last month. How much was his bill?

Aug 14th, 2014

Just break the question into parts:


George made 500 mins of phone calls.

$10 for first 400 mins. So right now the bill is $10...


Each min over 400 costs $0.05 per minute so 500 minus 400 is 100 mins at $0.05/min = $5


So $10 + $5 = $15 for the total bill.

Aug 14th, 2014

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