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Kaya buys a $20 phone card. She is charged $.15 per minute for calls. What equation gives the value v left on her card after she makes t minutes of calls?

Kaya buys a $20 phone card. She is charged $.15 per minute for calls. What equation gives the value v left on her card after she makes t minutes of calls?
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1 vote
Kaya buys a $20 phone card. She is charged $.15 per minute for calls. What equation gives the value v left on her card after she makes t minutes of calls?

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User Nathan Moos
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7.6k points

2 Answers

7 votes
I think it’s the answer is the 3rd choice
answered
User Jleleu
by
8.7k points
1 vote
20 + .15t = v. That is the equation
answered
User MillsJROSS
by
7.3k points
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