diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa0e..092f4f7fa4 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,52 @@
 function basicTeenager(age) {
-
+if (age >= 13 && age <= 19) {
+return "You are a teenager!";
+}
 }
 
 function teenager(age) {
-
+if (age >= 13 && age <= 19) {
+return "You are a teenager!";
+} else {return "You are not a teenager";}
 }
 
 function ageChecker(age) {
-
+if (age >= 13 && age <= 19) {
+return "You are a teenager!";
+} else if (age <= 12) {
+return "You are a kid";
+} else {return "You are a grownup";}
 }
 
 function ternaryTeenager(age) {
-
+if (age >= 13 && age <= 19) {
+return "You are a teenager";
+} else {return "You are not a teenager";}
 }
 
 function switchAge(age) {
+switch(age) {
+case 13:
+return "You are a teenager"
+
+case 14:
+return "You are a teenager"
 
+case 15:
+return "You are a teenager"
+
+case 16:
+return "You are a teenager"
+
+case 17:
+return "You are a teenager"
+
+case 18:
+return "You are a teenager"
+
+case 19:
+return "You are a teenager"
+default:
+return "You have an age"
+}
 }