1. Let

x denote the number of people in the group;

y denote the amount of money each person will get.

2. "Translate" the text into equations:

3. Expand the brackets and subtract the 1st equation columnwise from the 2nd equation. After moving some stuff around you'll get:

----- [A]

4. Substitute in the 1st equation the variable y by 5x - 4. Expand the brackets and solve for x.

5. Plug in the value of x into the equato [A] to calculate y.

6.

Spoiler: