title: Find the numbers that are multiples of 3 between 100 and 40
body: <p>As the title says , i have to fin the multiples of  that appear between the numbers 40 and 100. I have to use for</p>
  
  <pre><code>  #include &lt;stdio.h&gt;
    #include &lt;conio.h&gt;
  
     int main()
      {
       int n=3;
       int i=100;
       for(i=100;i&gt;=40;i--)
  
           printf(" %d ",n*n);
       getch();
       return 0;
      }
  </code></pre>
  
  <p>That is what I've got. But it only prints the number 9 a lot of times. How do i fix it so it that it prints out all the multiples of 3?</p>