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Mathematics, 30.11.2020 19:40 sundaywallace6361

Leila purchased a prepaid phone card for $35.00. Calls cost 10 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 = 35.00 -0.10%
How much credit is left on the card after Leila uses it for 50 minutes of calls?

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Leila purchased a prepaid phone card for $35.00. Calls cost 10 cents a minute using this card. The c...
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