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OpenStudy (praetorian.10):
Write an equation that describes this situation. A pre-paid mobile phone owner has a credit of $30. The credit is lowered by 30 cents for each minute call time. C=0.3t + 30 C=30 - 0.3t C=30t + 30 C=30 - 30t
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OpenStudy (calculusxy):
So you orginally had $30 but then spending on how much time (more specifically the minutes) you talk, 30 cents will be decreasing. What can describe this situation?
OpenStudy (praetorian.10):
C=30 - 0.3t
OpenStudy (calculusxy):
Correct!
OpenStudy (praetorian.10):
sweetness :D
OpenStudy (praetorian.10):
cheers brother
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OpenStudy (praetorian.10):
i just wanted to clarify
OpenStudy (calculusxy):
Sweetness=happiness :) Cheers to you too :)
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