Question

RESPONDAM RÁPIDO, POOOOR FAVOOORR !!!

a) {x + y = 10
{x/y = 2/3


b) {x + y = 16
{x/2 = y/6

Answer 1

a)

{x + y = 10  

{x/y = 2/3

k = (x + y)/(2 + 3) = 10/5 = 2

x = 2*k = 4

y = 3*k = 6

b)

{x + y = 16

{x/2 = y/6

k = (x + y)/(2 + 6) = 16/8 = 2

x = 2k = 4

y = 6k = 12