Question

Qual o valor de x e y?​

Answer 1

2x/20 = 10/30

2x.30 = 20.10

60x = 30

x = 30/60

x = 0,5

-8/10y = 10/30

(-8).30 = -10y.10

-240 = -100y

100y = 240

y = 240/100

y = 2,4