Предмет: Математика, автор: xam0595

В трёх автобусах 188 пассажиров, причём в первом автобусе на 9 пассажиров больше, чем во втором, и на 8 меньше, чем в третьем. Сколько пассажиров в первомавтобусе?

Ответы

Автор ответа: Пеппер

Пусть в первом автобусе х пассажиров, тогда во втором х-9 пассажиров, а в третьем х+8 пассажиров. Составим уравнение:

х+х-9+х+8=188

3х=189

х=63

Ответ: 63 пассажира.

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