Last Puzzles (Easy Mathematical Puzzle)

A grandpa called all his grandsons and decided to give them a total of $100 to spend in their vacations. He decided that the elder ones must receive more. So he planned to give a sum to the youngest one and then increase $2 with every elder one. Can you calculate how much he gave to the youngest one if he gave all and only $100 to them in total?

Click For Answer