Предмет: Математика, автор: sukharikmmm

У Пети было в 5 раз меньше карандашей чем у Маши. При этом вместе у них было 42 карандаша. Сколько было карандашей у каждого ребёнка?

Ответы

Автор ответа: Rekonkista

0

x карандашей у Пети
5х карандашей у Маши
42 карандаша всего

Составим и решим уравнение

х+5х=42
6х=42
х=7
7 - карандашей у Пети

1) 42-7=35 (штук) карандашей у Маши

Ответ: у Пети 7 карандашей, у Маши 35 карандашей.

Rekonkista: Проверка: 35:7=5 и 35+7=42

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