Question

Calcule as porcentagens: A) 20% de 700= B) 3% de 400=
C) 35% de 300=

Answer 1

A) 10% de 700 = 70
     20% de 700 = 70 x 2 = 140

B) 1% de 400 = 4
     3% de 400 = 4 x 3 = 12

C) 10% de 300 = 30
     5% de 300 = 30:2 = 15
     35% de 300 = 30 x 3 + 15 = 105