Question

ATIVIDADE 1 - RELACIONANDO FRAÇÃO E PORCENTAGEM
item 1
a. Calcule 1% e 10% dos valores indicados no quadro a seguir
__________________________________________________________________
valor 10% do valor 1% do valor __________________________________________________________________
R$200,00 / /
__________________________________________________________________
R$350,00 / /
__________________________________________________________________
R$572,00 / /
__________________________________________________________________

Answer 1

Resposta:

1)10%=20  1%=2

2)10%=35  1%=3,5  

3)10%=57,2   1%=5,72

Explicação passo-a-passo:

1)

200=100

x=10

100x=2000

x=2000/100

x=20

200=100

x=1

100x=200

x=200/100

x=2

2)

350=100

x=10

100x=3500

x=3500/100

x=35

350=100

x=1

100x=350

x=350/100

x=3,5

3)

572=100

x=10

100x=5720

x=5720/100

x=57,2

572=100

x=1

100x=572

x=572/100

x=5,72