A group of friends want to share some money. If they get 100 each, there is 200 left over. If they get 110 each, there is a shortage of 100. How many friends are there?
Q1. A group of friends want to share some money. If they get 100 each, there is 200 left over. If they get 110 each, there is a shortage of 100. How many friends are there?
Answer: 30
Explanation: Let n be the number of friends. 100n + 200 = 110n - 100. Solving gives 10n = 300, so n = 30.