Question

calcule as porcentagens
a) 80%120
b)45%80

Answer 1

a) 80% de 120= 96
120 _ 100%
x _ 80%
100x=9600
x=9600/100
x=96

b) 45% de 80= 36
80 _ 100%
x _ 45%
100x= 3600
x= 3600/100
x=36

Espero ter ajudado.