The number of shoppers per day would be 192 and the number of shoppers per hour would be 24. hope this helps
2 divided by 18 is 9 and 3 divided by 18 is 6 hope that helps
Answer: 
Step-by-step explanation:
The circular oil slick is expanding at a rate of 
Let A be the area of the circular oil slick,
So, the changes in A with respect to time (t),



Also, the change in diameter with respect to time(t),



For r = 1.5 m,