Mathematics, 14.04.2020 08:49, lunaangelique1p442id
Charmaine purchased a prepaid phone card for $20.00. 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 function.
C(x) = 20.00 -0.25x
How much credit is left on the card after Charmaine uses it for 40 minutes of calls?
Answers: 1
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Charmaine purchased a prepaid phone card for $20.00. Calls cost 25 cents a minute using this card. T...
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