Molly owns a small sandwich shop called RP's Box. She has developed a sales history of the first week of March using total sales and guests served. Help Molly calculate her average sales per guest for each day of the week and calculate her totals.
Round answers to two decimal places.
Sales Period	Date	Sales	Guests Served	Average Sales Per Guest
Monday	3/1	$1,248.44	210
Tuesday	3/2	1,796.25	370
Wednesday	3/3	1,950.00	340
Thursday	3/4	1,555.65	290
Friday	3/5	1,966.31	480
Saturday	3/6	2,414.65	400
Sunday	3/7	2,415.77	420
Total
Average Sales Per Guest (sum divided by 7):
Molly has decided that she could take a shortcut and calculate the average sales per guest for the week by adding Monday through Sundays average sales per guest and dividing by seven. Would this shortcut make a difference in her total average sales per guest for the week? If so, how much of a difference? Should she take this shortcut? Why or why not?