Mathematics, 29.10.2020 17:10 makrosebud7821
3. A cellular phone company offers a contract that costs 14.99€ plus 06€ per minute. Find the total number of minutes talked if the bill for October was 20.21€.
Answers: 1
), measured in euros, minus a fixed cost (
), measured in euros, and is directly proportional to total time (
), measured in minutes. That is:
(Eq. 1)
is the proportionality ratio, measured in euros per minute. 
, 
and 
, then the total number of minutes is: 
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3. A cellular phone company offers a contract that costs 14.99€ plus 06€ per minute. Find the total...
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