Mark donates soup to the 6 homeless shelters. Each one services 30 people and he decides to buy 10 cans of soup per person. How many cans of soup does Mark donate?
Think hard. Detailed solution:
1800
He helps 6 * 30 = 180 homeless people.

So he donates 180 * 10 = 1800 cans of soup.

.

So, the final answer is 1800