Mathematics, 27.07.2021 01:10 starxx05235

A telephone carrier charges customer 0.99 cents for the first 10 minutes and then 0.06 for each minute beyond 10 min. If Mary uses this carrier, how long can she talk for $6.00

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A telephone carrier charges customer 0.99 cents for the first 10 minutes and then 0.06 for each minu...