<span>X-Y=4,
X+Y=2
-------------add
2x = 6
x = 3
X - Y =4
3 - Y = 4
Y = 3 - 4
Y = -1
solution (3 , -1)</span>
Answer:
18:27
Step-by-step explanation:
In the question the first one that is stated goes first then the other one. While finding a ratio it's pretty easy since all you have to do is 18:27 and done!
78.33 APEX.....................................................
