Предмет: Математика, автор: atwet

за 12 м шёлка и 17 м шерсти портниха заплатила 29 800 рублей. Метр шерсти стоит 980 рублей. Сколько стоит метр шёлка?

Ответы

Автор ответа: рашид00000

1) 980*17=16660(руб) цена 17 (м) шерсти 2) 29800-16660=13140(руб) цена 12(м) шелка 3) 13140:12=1095(руб) цена 1(м) шелка Ответ: За 1(м) шелка заплатили 1095(руб)

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