Mathematics, 11.05.2021 21:00 hughesbella

Nicole purchased a prepaid phone card for $50.25. Calls cost 25 cents a minute using this card. The credit, C (In dollars), left on the card after it is used for X minutes of calls is given by the following.
C=50.25 -0.25%
How much credit is left on the card after Nicole uses it for 30 minutes of calls?
Idollars
5
?

Answers: 3

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Nicole purchased a prepaid phone card for $50.25. Calls cost 25 cents a minute using this card. The...