Предмет: Математика, автор: didikasmirnowa

Собака погнався за лесицею,коли відстань між ними була 90 м. Через скільки хвилин собака наздожене лисицю, якщо лисиця пробігає за хвилину 320 м, а собака - 350 м?

Ответы

Автор ответа: student118

t=?(x)
S=90м
V1=320м
V2=350м
x*(350-320)=90
x*30=90
x=90/30
x=3
ответ:через 3 хвалин

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