Предмет: Математика, автор: fdhfjdjj

Из 800 учащихся школы 45% -мальчики.Сколько девочек учится в этой школе?

Ответы

Автор ответа: NY444

0

800/100=8 человек - это 1%, тогда

девочек 100%-45%=55% девочек учится, значит

55*8=440 девочек

Автор ответа: AnyGool

0

ну вроде бы так

800*45%

-------------- = 360(мальчики)

100%

800-360=440(девочки)

ответ:440 девочек

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