diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..c3e8388 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,26 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
+    let cont=0, maior=0
+
+        let resp = text.toLowerCase()
+
+        let i = 0, j = 0
+        for(i = 0; i < text.length; i++)
+        {
+            cont = 0
+            for(j = 0; j < text.length; j++)
+            {
+                if(resp[i] == text[j])
+                {
+                    cont++
+                }
+            }
+            if(maior < cont)
+            {
+                maior = cont
+                var resposta = resp[i]
+            }
+        }
+
+        return resposta
 }
\ No newline at end of file