Предмет: Математика, автор: вадден

решите дам 35 баллов

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Ответы

Автор ответа: Vlad01212003

было:

легковых х

грузовых 1,5х

стало:

легковых х+45

грузовых 1.5х-12

составим уравнение

17+1,5х-12=х+45

1,5х-х=45-17+12

0,5х= 40

х=40:0,5

х= 80 было легковых

80*1,5= 120 было грузовых

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