Given the values for x and y
The slope for restaurant A
m = (3 - 1)/(30 - 10)
=2/20
= 0.1
The slope for restaurant B
m2 = (15 - 5)/(75 - 25)
= 10/50
= 0.2
Hence the slope of the line for Restaurant B is 2 times greater than the slope of the line for Restaurant A.
Option B