Предмет: Математика, автор: miks24190601

на 84 руб. Купили 3 кг конфет Сколько килограммов печенья цена которого на 7 руб. Дешевле конфет можно купить на эти деньги.

Ответы

Автор ответа: 1grom9

(1) 84 : 3 = 28 (рублей) - цена конфет за 1 кг.

(2) 28 - 7 = 21 (рубль) - цена 1 кг печенья.

(3) 84 : 21 = 4 (кг) - печенья,можно купить за 84 рубля

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