diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa0e..50bbef465b 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,46 @@
 function basicTeenager(age) {
-
+  if(age>12 && age<20) {
+    return 'You are a teenager!'
+  }
 }
 
 function teenager(age) {
-
+  if(age>12 && age<20) {
+    return 'You are a teenager!'
+  }
+  else {
+    return 'You are not a teenager'
+  }
 }
 
 function ageChecker(age) {
-
+  if(age>12 && age<20) {
+    return 'You are a teenager!'
+  }
+  else if (age<13) {
+    return 'You are a kid'
+  }
+  else if (age>19) {
+    return 'You are a grownup'
+  }
 }
 
 function ternaryTeenager(age) {
-
+return age<20 && age>12 ? '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'
+    break;
+    default:
+      return 'You have an age'
+  }
 }