Предмет: Математика, автор: 478890htdkuyf

Помогите пожалуйста это учи ру!!!

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Автор ответа: veronika727476

100%-х

80%%-16

х=(100*16)/80=20

Ответ 20

2 способ

Ишем 1 процент

16:80=0,2

0,2*100=2

Ответ 20

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