Предмет: Математика, автор: Аноним

Решите задачу с помощью уравнеия : В трёх цистернах 60 тонн бензина. В первой цистерне на 15 тонн больше, чем во второй, а в третьей в три раза больше, чем во второй. Сколько тонн бензина во второй цистерне?

Ответы

Автор ответа: arsenlevadniy

0

х т - во второй цистерне
х+15+х+3х=60,
5х=45,
х=9.

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