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Mathematics, 30.06.2019 08:30 glorygurllnene

For her phone service heather pays a monthly fee of $27 and she pays an additional $0.06 per minute of use. the least she has been charged in a month is $87.90. what are the possible numbers of minutes she has used her phone in a month?

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For her phone service heather pays a monthly fee of $27 and she pays an additional $0.06 per minute...
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