It would be 4,900.
The number to the right of the 8 is higher than 5 so it goes up
1.6+x-3.2=-2+5.6
simplify
-1.6+x=3.6
+1.6 both sides
x=5.2
A unit rate means for one, so in this case they mean for one pound of the horse feed which brand sells the highest. You would divide the cost into the number of pounds for each brand. Now, compare all the brands and see which one is highest.
B'A Length: 90 degrees
AD Length: 31.5 degrees
