Question

10- Quanto é 2/3 de 15?

Answer 1

2/3 de 15 => 15 x 2/3 = (15 x 2)/3 = 30/3 = 10
2/3 de 15 => 15 x 2/3 = (15/3) x 2 = 5 x 2 = 10

Answer 2

2/3 =15
15 X2=30
30/3=10