Предмет: Математика, автор: Aidka1

В первую смену засеяли 270 га,а во ворую-остальные 180 га.Склько процентов всей площади засеяли в первую смену?

Ответы

Автор ответа: юлямоисеева

270/(270+180) * 100 = 60%

Автор ответа: Frigma

270+180=450га
450=100%
270=60%(450/100=4.5га(1%),270/4.5га=60)

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