Предмет: Математика, автор: джони44

Число 35 составляет 28% отодного числа. Найдите среднее врифметическое этих чисел.

Ответы

Автор ответа: MargoGor

35-28%
х-100%
35:28=х:100
28•х=35•100
28•х=3500
х=3500:28
х=125
Ср.Арифм.: (35+125):2=160:2=80

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