Предмет: Математика, автор: Курчин

в магазин привезли 11400 обложек для тетрадей через неделю в магазине осталось две десятых части привезенных обложек сколько обложек продали в течение


недели

условие задачи а не решение

Ответы

Автор ответа: vladydalov
7
Дано:
11400(обложек) - привезли в магазин.
2/10(обложек) - осталось через неделю.
Решение:
1) 11400*2/10=2280(обложек) - осталось через неделю.
2) 11400-2280=
9120(обложек) - продали в течении недели.
Ответ: 9120 обложек.
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