5% некоторого числа равны 11. найдите 15%, 20%, 35%, - вопрос №900803651115203550100 от bbayy 15.02.2020 06:03

Question

Математика: 5% некоторого числа равны 11. найдите 15%, 20%, 35%, 50%, 100% этого числа,

bbayy · Answer

11 - 5 ; x - 100x = (11 • 100)/5x = 220220 - 100 ; x - 15x = ( 220 • 15)/100x = 33220 - 100 ; x - 20x = (220 • 20)/100x = 44220 - 100 ; x - 35x = ( 220 • 35)/100x = 77 220 - 100 ; x - 50x = (220 • 50)/100x = 110220 - 100 ; x - 100x = (220 • 100)/100x = 220...