Answer:
300
Step-by-step explanation:
y=600/x
X=0.5=1/2=50%
Y=600/2=300
1200
600/0.5=1200
5 units
Since they both have the same y value, just subtract the a value's x from the b's x value
option number B.......
+×- =-
r-5r
-4r is the best answer
