Предмет: Математика, автор: idinaxyu9

Мальчик прочитал 160 страниц(-ы), что составляет 20
%
числа всех страниц в книге.
Сколько страниц в книге?

Ответ: в книге страниц.

Ответы

Автор ответа: Аноним

1

Ответ:в книге 800 страниц.

160-20%

х -100%

х=160*100:20=800 страниц.

Пошаговое объяснение:

Автор ответа: nazarpinkas8

0

Ответ:

160-12%

х-100%

Х=160*10:30=800(стр.)

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