Question

2). Calcule as Porcentagens.
A) 500 Acréscimo de 15% =
B) 1800 Acréscimo de 20%=
c) 2500 Desconto de 10% =
d) 100 Desconto de 13% =​

Answer 1

Resposta:

a)575

b) 2160

c)2250

d) 87

Answer 2

a) 500—-100%
X———15%
X=(500*15)/100
X=75;
Resposta: 500+75=575

b) 1800—-100%
X———20%
X= (1800*20)/100
X=360
Resposta: 1800+360=2160

c)2500—-100%
X———-10%
X=(2500*10)/100
X=250
Resposta: 2500-250=2250

d)100—100%
X——13%
X=(100*13)/100
X=13
Resposta: 100-13=87