By following the method in the image attached below, determine the ways you can arrange the letters of the word "think" so that the 't' and the 'h' are separated by at least one letter. Fill in the blanks in the image below to demonstrate your learning. The sum of the 3 cases added together is 72.

Solution 1: Approach the number of spaces between T and Has different cases. Hofways this case can occur 1 space between the X T and 'H' * 2 spaces between the "T' and " H' * 3 spaces between the (T' and ' H' *