Предмет: Алгебра, автор: naaktivigra657

ДАЮ 50 БАЛОВ СРОЧНО ПОЖАЛУЙСТП ​

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Автор ответа: Пеппер
1

Нехай швидкість велосипедиста х км/год, тоді швидкість пішохода х-8 км/год. Велосипедист був у дорозі 2 год, пішохід 3+2=5 год.

Маємо рівняння:

5(х-8) + 2х = 44

5х-40+2х=44

7х=84

х=12

Швидкість велосипедиста 12 км/год, швидкість пішохода 12-8=4 км/год.

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