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Mathematics, 01.07.2019 04:00 julih74

An mp3 player costs $80. a student has a coupon for 1 4 off. the student saves $7 per week. assuming the price of the mp3 player does not change, how long will it take the student to save enough to buy it?

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An mp3 player costs $80. a student has a coupon for 1 4 off. the student saves $7 per week. assumin...
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