AMC 10 2008b Problem 25

Michael walks at the rate of $5$ feet per second on a long straight path. Trash pails are located every $200$ feet along the path. A garbage truck traveling at $10$ feet per second in the same direction as Michael stops for $30$ seconds at each pail. As Michael passes a pail, he notices the truck ahead of him just leaving the next pail. How many times will Michael and the truck meet? $\mathrm{(A)}\ 4 \mathrm{(B)}\ 5 \mathrm{(C)}\ 6 \mathrm{(D)}\ 7 \mathrm{(E)}\ 8$