Предмет: Математика, автор: zoeeee310

Стоимость изделия третьего сорта в 4 раза меньше стоимости первого сорта. Сколько стоит каждое изделие, если изделие первого сорта стоит на 50 р. дороже изделия третьего сорта?
помогите пожалуйста

Ответы

Автор ответа: nenakh0d
2

Ответ:

х1=50/3,х2=200/3

Пошаговое объяснение:

Х2=50+х1

Х2=4х1

Х1+50=4х1

0,25х1+12,5=х1

0,75х1=12,5

Х1=12,5*(4/3)=50/3

Х2=200/3


zoeeee310: господи спасибо
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