diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa0e..66c6af6a80 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,54 @@
 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");
+}
 }