diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa..3733ada7 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,59 @@
 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) {
-
+  return (age >= 13 && age <= 19)?
+    "You are a teenager" :
+      "You are not a teenager"
 }
 
 function switchAge(age) {
-
+switch (age) {
+  case 13:
+    return "You are a teenager";
+    break;
+  case 14:
+      return "You are a teenager";
+      break;
+  case 15:
+      return "You are a teenager";
+      break;
+  case 16:
+      return "You are a teenager";
+      break;
+  case 17:
+      return "You are a teenager";
+      break;
+  case 18:
+    return "You are a teenager";
+    break;
+  case 19:
+    return "You are a teenager";
+    break;
+  default:
+    return "You have an age";
+  }
 }