Question

X : Z - Y : Z = 5 SI X - Y = 20 MA POATE AJUTA CINEVA?

Answer 1

(x-y):z=5
20:z=5
z=20:5
z=4

Sper ca te-am ajutat

Answer 2

x:z-y:z=5  ⇒ (x-y):z=5
x-y=20
20:z=5
z=20:5
z=4
x=y+20
y+20-y=20
y=20+20
y=40
x=40+20
x=60
v:x-y=20........60-40=20
 x:z-y:z=5.......  60:4-40:4=15-10=5