title: subtract hundredths write the correct condition
body: <p>I receive value from a DB
  <code>$row['jackpot']</code> it is equal to 5000.00</p>
  
  <p>how to write the correct condition? </p>
  
  <pre><code>if ($row['jackpot'] &lt; '2000.00') {
  
        $asd = "2000.00" - $row['jackpot'];
        echo "To participate you are missing".$asd;
  }
  </code></pre>