sari has to read 500 pages in the first 5 days of a week, how many pages should she average per day

To find the average number of pages Sari should read per day, divide the total number of pages she needs to read (500) by the number of days in the week (5):

500 pages รท 5 days = 100 pages

Therefore, Sari should average reading 100 pages per day.