BraveDaniel BraveDaniel

14-08-2020
Mathematics

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The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 31 minutes of calls is $ 15.92 and the monthly cost for 84 minutes is $ 22.28 . What is the monthly cost for 70 minutes of calls?

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beniwalsimran635 beniwalsimran635

17-08-2020

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oo kutte kamine nikal yha se chl ktle

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