Question

A)55% de __=11;B)90% de R$__=135,00;C)120% de __=30

Answer 1

a) 55% de x = 11
55/100 . x = 11
55x = 1100
x = 20

b) 90% de x = 135
90/100 . x = 135
90x = 13500
x = 150

c) 120% de x = 30
120/100 . x = 30
120x = 3000
x = 25

Answer 2

55 % de 20 = 11
90% de 150 = 135
120% de 25=30