title: How to make 5 random numbers with sum of 100
body: <p>do you know a way to split an integer into say... 5 groups.
  Each group total must be at random but the total of them must equal a fixed number.</p>
  
  <p>for example I have "100" I wanna split this number into</p>
  
  <pre><code>1- 20
  2- 3
  3- 34
  4- 15
  5- 18
  </code></pre>
  
  <p>EDIT: i forgot to say that yes a balance would be a good thing.I suppose this could be done by making a if statement blocking any number above 30 instance.</p>