Mathematics, 26.10.2020 22:20 vanessa7714102010

A 5 minute overseas call costs $5.91 and a 10 minute call costs $10.86. The cost of the call and the length of the call are related. What is the cost, c, of a call in minutes duration?

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A 5 minute overseas call costs $5.91 and a 10 minute call costs $10.86. The cost of the call and the...

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