diff --git a/education/software development/ECE1400/Chapter 11 Exercises.md b/education/software development/ECE1400/Chapter 11 Exercises.md
index 977ee81..e032e2a 100644
--- a/education/software development/ECE1400/Chapter 11 Exercises.md	
+++ b/education/software development/ECE1400/Chapter 11 Exercises.md	
@@ -9,4 +9,7 @@
 ```c
 middle = (low + high) / 2
 ```
-The above statement is illegal because you can't add two pointers together
\ No newline at end of file
+The above statement is illegal because you can't add an `int *` to an `int *`. It can be made legal by casting `low` and `high` to numbers, performing the operation, then casting to a pointer.
+```c
+middle = (int*) (((long) low + (long) high) / 2);
+```
\ No newline at end of file