Question

3) Um sexto de uma pizza custa 3 reais, quanto custa:

a) 3/6 da pizza

b) 5/6 da pizza

c) a pizza toda

Answer 1

c)
3*6=
18
Resposta: A pizza toda custa R$18,00

a)
18/6*3=
3*3=
9
Resposta: R$9,00

b)
18/6*5=
3*5=
15
Resposta: R$15,00

Answer 2

1/6=3
3/6=x
1/6x=3.3/6
1/6x=9/6
x=9/6:1/6
x=9/6 x6/1
x=54/6
x=9 reais custam 3/6 da pizza
b)1/6=3
5/6=x
1/6x=3.5/6
1/6x=15/6
x=15/6:1/6
x=15/6 .6
x=90/6
x=15 reais
c)1/6=3
 6/6=x
1/6x=3.6/6
1/6x=18/6
x=18/6:1/6
x= 18/6 .6/1
x=108/6
x=18 reais custa a pizza toda