Question

qual o valor de 2/10 = x/5 = 4/y

Answer 1

Resposta:

2/10 = x/5  

1/5 = x/5

1 = x

2/10 = 4/y

1/5 = 4/y

1 * y = 5 * 4

y = 20

RESPOSTA:  

2/10 = 1/5 = 4/20