Question

Um sexto de um pizza custa 4 reais,quanto custa: a} 3/6 da pizza b} 5/6 da pizza c] a pizza toda

Answer 1

a) $\frac{1}{6} \rightarrow 4\ reais \\ \\ \frac{3}{6} \rightarrow x \\ x = \dfrac{\dfrac{12}{6}}{\dfrac{1}{6}} \\ x = 12\ reais$

b) $\frac{1}{6} \rightarrow 4\ reais \\ \\ \frac{5}{6} \rightarrow x \\ x = \dfrac{\dfrac{20}{6}}{\dfrac{1}{6}} \\ x = 20\ reais$

c) $\frac{1}{6} \rightarrow 4\ reais \\ \\ \frac{6}{6} \rightarrow x \\ x = \dfrac{\dfrac{24}{6}}{\dfrac{1}{6}} \\ x = 24\ reais$

Answer 2

1/6 = 4reais

a-
3/6 = 3.4 = 12 reais

b-
5/6 = 5.4 =20 reais

c-
6/6 = 6.4 = 24 reais