diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa0e..d2c12c8c5f 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,42 @@
 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 if (age > 20) {
+        return "You are a grownup"
+    }
 }
 
 function ternaryTeenager(age) {
-
+   return age >= 13 && age <=19 ? "You are a teenager" : "You are not a teenager"
 }
 
 function switchAge(age) {
-
+    switch(age) {
+    case 13:
+    case 14:
+    case 15:
+    case 16:
+    case 17:
+    case 18:
+    case 19:
+        return "You are a teenager"
+    default:
+        return "You have an age"
+    }   
 }