5 is 90% of what number
5.5 with a recurring decimal (5.55555555555 etc.)
5 is 90% of what numberlet the number be x.5 = 90% of x5 = (90/100)x5 = 0.90x0.90x = 5x = 5/0.9x ≈ 5.556The number is ≈ 5.556