If x = y+4.5x and y = x+18, what is the value of x/y ?
Choose one
A) -6/5.	B) -7/20.	C) 1/4.	D) -2/7.	E) 1.5.
(1) x = y + 4.5x   Substitute y for y = x + 18 (Eq. we are given)   x = x + 18 + 4.5x   Combine like terms   x = 5.5x + 18 --&gt; -4.5x =18 --&gt; x = -4   (2) y = x + 18   Substitute x for x = -4   y = (-4) + 18= 
<gadget id="calculator">(-4) + 18</gadget>
<output>14</output>
14   (3) x/y= ?   Substitute x and y we found above   x/y = (-4) / (14) =-2/7   My answer: -2/7.
<result>D</result>
If x = y+4.5x and y = x+18, what is the value of x/y ?