added instruction

assignments/array-methods.js

@@ -74,7 +74,7 @@ let ticketPriceTotal = [];
 console.log(ticketPriceTotal);
 
 // ==== Challenge 5: Be Creative ====
-// Now that you have used .forEach(), .map(), .filter(), and .reduce().  I want you to think of potential problems you could solve given the data set and the 5k fun run theme.  Try to solve 3 unique problems using one or many of the array methods listed above.
+// Now that you have used .forEach(), .map(), .filter(), and .reduce().  I want you to think of potential problems you could solve given the data set and the 5k fun run theme.  Try to create and then solve 3 unique problems using one or many of the array methods listed above.
 
 // Problem 1
 

assignments/callbacks.js

@@ -1,8 +1,26 @@
+// Create a callback function and invoke the function to test your work. You have been provided an example of a problem and a solution to see how this works with our items array.  Study both the problem and the solution to figure out the rest of the problems.
+
 const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
-function firstItem(arr, cb) {
-  // firstItem passes the first item of the given array to the callback function.
-}
+/* 
+
+  //Given this problem: 
+  
+  function firstItem(arr, cb) {
+    // firstItem passes the first item of the given array to the callback function.
+  }
+
+  // Potential Solution:
+  function firstItem(arr, cb) {
+    return cb(arr[0]);
+  }
+
+  firstItem(items, function(first) {
+    console.log(first)
+  });
+
+*/
+
 
 function getLength(arr, cb) {
   // getLength passes the length of the array into the callback.