diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa..d4f2451a 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) {
-
+function teenager(age){
+  if (age >= 13 && age <= 19) {
+    return "You are a teenager!";
+  } else {
+    return "You are not a teenager";
+  }
 }
 
-function ageChecker(age) {
-
+function ageChecker(age){
+  if (age >= 13 && age <= 19) {
+    return "You are a teenager!";
+  } else if (age < 13) {
+    return "You are a kid";
+  } else {
+    return "You are a grownup";
+  }
 }
 
-function ternaryTeenager(age) {
-
+function ternaryTeenager(age){
+  return age >= 13 && age <= 19 ? "You are a teenager" : "You are not a teenager"
 }
 
-function switchAge(age) {
-
+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"
+  }
 }