Question

Qual a margem de 1.98 se o custo é 1.42

Answer 1

R$1,42 ___ 100%

R$1,98____ x

1,42x = 100.1,98

1,42 x = 198

x = 198/1,42

x = 139,44

139,44-100 = 39,44 % de margem