Respuesta :
55% = 55/100
let 'what number' be x
55% of what number = (55/100) * X which is 231 or
(55/100) * X = 231
x = 231 *(100/55)
let 'what number' be x
55% of what number = (55/100) * X which is 231 or
(55/100) * X = 231
x = 231 *(100/55)