Предмет: Математика, автор: Аноним

помогите пожалуйста решить

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Автор ответа: ElbortGames

1

Вариант В) 0.1875 !!!!!!!!!!!!!!!!!!!!

abubakr10072006: ты же не решил только ответь написал

ElbortGames: ну я же первым ответил и потом он посмотрел на мой и на твой и меня выбрал из за того что я первее ответил

abubakr10072006: это ябыл но я же первый решил

Автор ответа: abubakr10072006

1

12*5/4х=20*4/1

15/х=80

х=15/80

х=0.1875

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