diff --git "a/PULL_REQUEST_TEMPLATE.md\t" "b/PULL_REQUEST_TEMPLATE.md\t"
index 9a4d861..24dab4f 100644
--- "a/PULL_REQUEST_TEMPLATE.md\t"
+++ "b/PULL_REQUEST_TEMPLATE.md\t"
@@ -1,17 +1,17 @@
 ## DESCRIPTION
 
-Solución al reto 04 de Escuela de JavaScript
+Solución al reto 02 de Escuela de JavaScript
 
 Nombre:
-Usuario Platzi:
+Usuario Platzi: FelipeMorales
 
 ## GRUPO
 - [ ] Martes
 - [ ] Miercoles
-- [ ] Jueves
+- [x] Jueves
 
 ## Reto:
-  - [ ] Primer problema
-  - [ ] Segundo problema
-  - [ ] Tercer problema
-  - [ ] Cuarto Problema (Opcional)
\ No newline at end of file
+  - [x] Primer problema
+  - [x] Segundo problema
+  - [x] Tercer problema
+  - [x] Cuarto Problema (Opcional)
\ No newline at end of file
diff --git a/package.json b/package.json
index bf060d5..c0c3334 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "escuelajs-reto-04",
   "version": "1.0.0",
-  "description": "Reto 4 Septiembre 21: Curso de Fundamentos de JavaScript",
+  "description": "Reto 2 - Curso de Fundamentos de JavaScript",
   "main": "index.js",
   "scripts": {
     "start": "node src/index.js"
@@ -15,10 +15,14 @@
     "escuelajs",
     "node"
   ],
-  "author": "Oscar Barajas <oscar@platzi.com>",
+  "author": "Felipe Morales <tadeus87@gmail.com>",
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/platzi/escuelajs-reto-04/issues"
   },
-  "homepage": "https://github.com/platzi/escuelajs-reto-04#readme"
+
+  "homepage": "https://github.com/platzi/escuelajs-reto-04#readme",
+  "devDependencies": {
+    "node-fetch": "^2.6.0"
+  }
 }
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 4c965e7..9670e91 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,12 +1,25 @@
+const fetch = requier('node-fetch');
+
 const orders = (time, product, table) => {
   console.log(`### Orden: ${product} para ${table}`);
   return new Promise((resolve, reject) => {
-    setTimeout(() => {
-      resolve(`=== Pedido servido: ${product}, tiempo de preparación ${time}ms para la ${table}`);
-    }, time);
+    if (true) {
+      setTimeout(() => {
+        resolve(`=== Pedido servido: ${product}, tiempo de preparación ${time}ms para la ${table}`);
+      }, time);
+    } else {
+      reject(new Error('El pedido no se ha completado'))
+    }
   });
 }
 
+//Problema 1
+const randomTime = () => {
+let max = 8000;
+let min = 1000;
+return Math.round(Math.random() * (max - min) * min);
+}
+
 const menu = {
   hamburger: 'Combo Hamburguesa',
   hotdog: 'Combo Hot Dogs',
@@ -16,9 +29,68 @@ const menu = {
 const table = ['Mesa 1', 'Mesa 2', 'Mesa 3', 'Mesa 4', 'Mesa 5'];
 
 const waiter = () => {
-  orders(6000, menu.hamburger, table[3])
+  orders(randomTime(), menu.hamburger, table[3])
     .then((res) => console.log(res))
     .catch((err) => console.error(err));
 };
 
-waiter();
+//Problema 2
+//Pedido "Mesa 1": Combo Hotdog Pedido "Mesa 3": Combo Pizza
+const waiter2 = () => {
+  orders(randomTime(), menu.hotdog, table[0])
+    .then((res) => {
+      console.log(res)
+      return orders(randomTime(), menu.pizza, table[2])
+    })
+    .then(res => console.log(res))
+    .catch(error => console.log(error))
+}
+
+//Problema 3:
+//Pedido "Mesa 2": Combo Hotdog, Combo Pizza, Combo Hotdog
+
+const waiter3 = async () => {
+  try {
+    const firstOrder = await orders(randomTime(), menu.hotdog, table[1]);
+    const secondOrder = await orders(randomTime(), menu.pizza, table[1]);
+    const thirdOrder = await orders(randomTime(), menu.hamburger, table[1]);
+
+    console.log("firstOrder", firstOrder)
+    console.log("secondOrder", secondOrder)
+    console.log("thirdOrder", thirdOrder)
+  } catch (e) {
+    console.error(new Error('Se presento un problema con el pedido!'));
+  }
+}
+
+//Problema 4
+
+const fetchOrders = async () => {
+  const API = "https://us-central1-escuelajs-api.cloudfunctions.net/orders";
+  try {
+    const response = await fetch(API);
+    const data = await response.json();
+    return data.data;
+  } catch (e) {
+    console.log(e);
+  }
+}
+
+const waiter4 = async () => {
+  const product4 = await fetchOrders();
+  const firstOrder = await orders(randomTime(), menu.hotdog, table[3]);
+  const secondOrder = await orders(randomTime(), menu.pizza, table[3]);
+  const thirdOrder = await orders(randomTime(), menu.hamburger, table[3]);
+  const fourtOrder = await orders(randomTime(), product4, table[3]);
+
+  console.log("firstOrder", firstOrder)
+  console.log("secondOrder", secondOrder)
+  console.log("thirdOrder", thirdOrder)
+  console.log("fourtOrder", fourtOrder)
+}
+
+// waiter();
+// waiter2();
+// waiter3();
+waiter4();
+