They stop at the same time after 4 times for the southbound bus to return and five times for the northbound bus returns to the bus stop
x and y i think, I haven't done that in a long time.
Slope Intercept: Y=mx + b
1. Y= -2/3x + -4
2. Y= 1/3x + 7
The answer is Z=18. 2x3=6 then 3x6=18