Question

Na Proporçao:x/9=y/5 com x-y=36,Calcule x e y​

Answer 1

x - y = 36

x = y + 36

x / 9  =  y / 5

y + 36 / 9  =  y / 5

9 * y = 5 * (y + 36)

9y = 5y + 180

9y - 5y = 180

4y = 180

y = 180/4

y = 45

x = y + 36

x = 45 + 36

x = 81