Предмет: Математика, автор: krusuntimon

Кондитер виготовляє 72 тістечка за 3 год, а його учень – 60 таких самих тістечок за 4 год. За скільки годин спільної роботи вони виготовлять156 тістечок?СРОЧНО

Ответы

Автор ответа: kipyagood

Ответ:

4 год

Пошаговое объяснение:

72/3 =24

60/4=15

24+15=39

156/39=4

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