Question

2)calcule:
a)15% de 200 reais=

b)32% de 500 alunos=

c)87% de 600 cadeiras=

d)4% de 900 frutas=

Answer 1

A)15% DE 200
100--------->200
15----------->X
100X=200*15
100X=3000
X=3000/100
X=30

B)32% DE 500
100--------->500
32----------->X
100X=500*32
100X=16000
X=16000/100
X=160

C)100%--------->600
87------------->X
100X=600*87
100X=52200
X=522

D)100--------->900
4-------------->X
100X=900*4
100X=3600
X=3600/100
X=36

Answer 2

a)30,00$
b)160 alunos
c)522 cadeiras
d)36 frutas