Mathematics, 14.11.2019 05:31 mercedesamatap21hx0

An overseas phone call is charged at one rate (a fixed amount) for the first minute and at a
different rate for each additional minute. if a 7 minute phone call costs $10 and a 4 minute
phone call costs $6.40, find each rate.

Answers: 1

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An overseas phone call is charged at one rate (a fixed amount) for the first minute and at a different rate for each additional minute. if a 7 minute phone call costs $10 and a 4 minute phone call costs $6.40, find each rate.

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An overseas phone call is charged at one rate (a fixed amount) for the first minute and at a
different rate for each additional minute. if a 7 minute phone call costs $10 and a 4 minute
phone call costs $6.40, find each rate.