diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..87367f7 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,17 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    
+    let max = 0;
+    let maxCaracter = "";
+
+    text.split('').forEach((caracter) => {
+        if (text.split(caracter).length > max) {
+            max = text.split(caracter).length;
+
+            maxCaracter = caracter;
+        }
+    });
+    
+    
+    return maxCaracter;
 }
\ No newline at end of file