Решить . : 60% от 40% числа y равны 8, 4. найдите число y. если что-то "y" это игрек. я буду !

0,6 * 0,4 * у = 8,4
0,24 у = 8,4
у = 8,4 : 0,24
у = 35

Проверка:
40% от 35 =   35*40/100 = 14
60% от 14 =   14*60/100 = 8,4 - верно

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