The average number of books that is lent to readers in a week is 477.68.
What is average?
This is the mean data that is contained in a frequency of grouped data. The mean represents the average number in a data set.
The average in the question = 68.24 books
The total number of days in a week = 7
Therefore the number of books lent to readers would be 68.24 books x 7
= 477.68
Read more on average here: https://brainly.com/question/20118982
