diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..54536cc 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,16 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    let caractercount = 0; let caractersave = {}; let caracter = " ";
+    text.split("").forEach((repetido) => {
+        if(caractersave[repetido]){
+            caractersave[repetido] += 1;
+        } else{
+            caractersave[repetido] = 1;
+        }
+        if(caractersave[repetido] > caractercount){
+            caractercount = caractersave[repetido];
+            caracter = repetido;
+        }
+    });
+    return caracter;
 }
\ No newline at end of file