diff --git a/education/software development/ECE1400/Chapter 4 Exercises.md b/education/software development/ECE1400/Chapter 4 Exercises.md
index 57cebfa..b7b4154 100644
--- a/education/software development/ECE1400/Chapter 4 Exercises.md	
+++ b/education/software development/ECE1400/Chapter 4 Exercises.md	
@@ -21,4 +21,5 @@ d. `15 4 5 4`
 
 # 15.
 a. `i = 2, j = 2`
-b. ``
\ No newline at end of file
+b. `i = 1`, `j = 2`
+c. `i = 1`, `j = 2``
\ No newline at end of file