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

timer Asked: Aug 14th, 2014
account_balance_wallet $5

Question Description

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?

Tutor Answer

Bitaseme M
School: Duke University

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.

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Good stuff. Would use again.

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