Question

(60 x y) / (60+y)=24 Quanto vale y?

Answer 1

Resposta:

y = 40

Explicação passo-a-passo:

(60y)/(60 + y) = 24

60y = 24(60 + y)

60y = 24.60 + 24y

60y - 24y = 24.60

36y = 24.60

y = 24.60/36

y = 1440/36

y = 40