Предмет: Математика, автор: учебник6661

Для проведения ремонта электрической проводки купили 16 одинаковых полков алюминиевого и 11 одинаковых мотков медного провода. Обще длина купленного провода составляла 650 метров. Сколько метров алюминиевого провода было в одном мотке , если медного провода в одном мотке было 30 метров?

Ответы

Автор ответа: ewgenijbark

1)30*11 = 330м - медного провода всего
2)650 - 330 = 320м - алюм. провода всго
3)320 : 16 = 20 м - алюм.провода в 1 мотке

Ответ. 20 м.

Автор ответа: YourToy

1) 30 * 11 = 330 (м) - медного провода было в 11 мотках.
2) 650 - 330 = 320 (м) - купили алюминиевого провода.
3) 320 : 16 = 20 (м) - алюминиевого провода было в одном мотке.

ОТВЕТ: 20 м алюминиевого провода было в одном мотке.

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