The very top row has 5 cans, and the one below has 8, then 11, then 14 and so on.
If it there are two negative #'s you add them because they are on the same side of the number line.
3x+x= total
3x= number of miles driven on saturday
Idk if I did this right but I tried... If I did wrong I can try again but yea idk
