The correct answer is : 30 ÷ (36 ÷ 4) = b, because 36 ÷ 4 represents how many days one bag lasts, we have 30 days in a month, so then 30 ÷ (36 ÷ 4) = b.
Quadrants 3 &4 represent negative integers. If 0 on the x axis represents the average/mean number of people there, then 3& 4 show the decrease from the average number.
