diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..d6c72c8 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,17 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
-}
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+    const total = text.split("");
+
+    let timesRepeat = {};
+    total.forEach((count) =>  {
+        timesRepeat[count] = (timesRepeat[count] || 0) + 1;
+    })
+
+    const maxVal = Math.max(...Object.values(timesRepeat));
+    const num = Object.keys(timesRepeat).find((key) => timesRepeat[key] === maxVal);
+    return num;
+}
+console.log(mostUsedChar("fdgdfgff"))//("f")
+console.log(mostUsedChar("Lorem ipsum"))//("m")
+console.log(mostUsedChar("adsassdasd"))//("s")
+console.log(mostUsedChar("testeeeee"))//("e")
\ No newline at end of file