Fixed problems in the code of the js file for the "slices of pie part 2" problem.
Updating the code in the js file for the "average shopping bill" problem.
Added the comments to each line of code in the js file of the "average shopping bill" problem, fixed the code for declaring the array, and editing the text in the prompt messages.
Fixed the error in the total and average calculation of the "average shopping bill" problem.
Had to parseFloat() the inputs made by the user to convert the strings into numbers in order to add the totals and divide them by 5.
Added a Math.round() function (in the js file) to the 'average' variable to round to two decimal places for the "average shopping bill" problem.