Предмет: Математика, автор: Tgcby

В классе 20 учащихся, 7 из них получили на контрольной пятёрки. Сколько процентов учащихся получили пять?

Ответы

Автор ответа: serg11k

1

Ответ:

35%

Пошаговое объяснение:

7/20 × 100% = 35%...

Как то так.

Автор ответа: bolsakovanasta10

3

20уч.-100%

7уч.-х

х=100*7/20=35%

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