Question

Quanto é ¼ da metade de 400?

Answer 1

$\dfrac{1}{4}\times \left(\dfrac{1}{2} \times 400 \right )\\ \\ =\dfrac{400}{4 \times 2}\\ \\ =\dfrac{400}{8}\\ \\ =50$

Answer 2

x=400
     2
x=200
x=200 * 1
     4
x=50*1
x=50

Resposta: 50