17-01-2023
Mathematics

Answered

Latoya purchased a prepaid phone card for $35.50 Calls cost 20 cents a minute using this card. The credit, C (in dollars), left on the card after it is used for minutes of calls is given by the following function. C(x)=35.50-0.20x How much credit is left on the card after Latoya uses it for 40 minutes of calls?

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