diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa0e..9ab1e7cd4d 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,59 @@
-function basicTeenager(age) {
 
+
+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 <= 12) {
+return "You are a kid"
+} else if (age >= 13 && age <= 19) {
+return "You are a teenager!"
+} 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) {
-
+  var 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"
+  }
 }