Предмет: Математика, автор: nastiashijko82

У школі 1020 учнів. Із них 25% дівчата. Скільки дівчата у школі?


Varyarainbow55345534: Ответ: 255 девчат
1020:100*25= 255

Ответы

Автор ответа: Аноним
1

Ответ:

255 девчат

Пошаговое объяснение:

25%=1/4

1020*(1/4)=255 /девчат/

или так 1020*0.25=255/девчат/

т.к. 25%=0.25, а чтобы найти дробь от числа, надо число умножить на дробь.

или так (1020/100)*25=255/девчат/

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