Question

Calcule x e y na proporção x/2 = y/8, sabendo que x + y = 50

Answer 1

2'^6×2+9 3'=908-12*^89 =90

Answer 2

x/2 = y/8
8x = 2y
x = (2/8)y
x = (1/4)y

x + y = 50
(1/4)y + y = 50
y + 4y = 200
5y = 200
y = 200/5
y = 40

x + y = 50
x = 50 - y
x = 50 - 40
x = 10

x = 10 e y = 40