Math.

During the month of March there was a party held every week, four in total.

The first party had one more person than the second.

The second party had a quarter as many as the fourth.

The third party half as many as the fourth and twice as many as the second.

The fourth party had 3 times as many people as the first.

The total number of people in all four parties were 25.

How many people attended each party?