diff --git a/09-mostRepeatedChar/index.js b/09-mostRepeatedChar/index.js
index b113ed8..eda93a8 100644
--- a/09-mostRepeatedChar/index.js
+++ b/09-mostRepeatedChar/index.js
@@ -1,4 +1,27 @@
 export function mostUsedChar(text) {
-    // implementar logica aqui
-    return ""
+    let order = text.toLowerCase().split('').sort();
+
+            let finalResult = "";
+            let letterMostAppears = 0;
+
+
+            //console.log(order) ---> verificar se transformou em array e ordenou
+
+            for(let i=0; i<order.length; i++){
+                let count = 0;
+            for(let j=1; j<order.length; j++){
+
+            //console.log(`Resultado: ${order[i]}, ${order[j]} `)
+            
+            if(order[i] === order[j]){
+                count++;
+            }
+        }	
+            if (count > letterMostAppears){
+                letterMostAppears = count;
+                finalResult = order[i];
+            }
+
+    }
+        return finalResult;
 }
\ No newline at end of file