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Mathematics, 17.10.2021 01:00 Fangflora3

My cell phone company charges for each minute and also a monthly fee. Last month my bill was $42 and I
used the phone for 300 minutes. This month my bill
was $44.50 and I spoke for 350 minutes.

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My cell phone company charges for each minute and also a monthly fee. Last month my bill was $42 a...
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