Предмет: Математика, автор: Васильна

Змею горынычу подарили на день рождения 48 кг конфет. Первая голова съела в 3 раза больше конфет, чем третья, а третья на 3 кг меньше чем вторая. Сколько килограммов конфет съела каждая голова Змея Горыныча? Решить задачу подбором.

Ответы

Автор ответа: Vikeo

0

Пусть 1 голова съела х кг конфет, тогда вторая съела (х+3) кг, а третья 3х кг конфет. Всего 48 кг конфет.
х+х+3+3х=48;
5х=45;
х=45/5;
х=9. Значит 3 голова съела 9 кг, тогда вторая голова съела 12 кг, а третья голова 27 кг конфет.
Ответ: 9,12,27.

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