title: How to check if two numbers are in range of no more than 10% (JAVA)
body: <p>Hello people I have something like this 
  Two integers for example : </p>
  
  <pre><code>int priceSell = 10;
  int priceBuy = 5;
  </code></pre>
  
  <p>how can I check if the range is no more than 10 % between those numbers ?</p>