Mathematics, 05.11.2021 19:10 sanago4785

Kendra and Russell are comparing the international calling plans on their cell phones. On her plan, Kendra pays $5 just to place a call and $1 for each minute. When Russell makes an
international call, he pays $2 to place the call and $4 for each minute. A call of a certain duration
would cost exactly the same under both plans. What is the duration? What is the cost?

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Kendra and Russell are comparing the international calling plans on their cell phones. On her plan...