diff --git a/flow-control.js b/flow-control.js
index 1e28c3aa..201fa746 100755
--- a/flow-control.js
+++ b/flow-control.js
@@ -1,19 +1,55 @@
 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 teenager = (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";
+  }
 }