Question: Write a query to display the average number of days a book is kept during a checkout (Figure P7.103). Figure P7.103 Average Days Kept Average

Write a query to display the average number of days a book is kept during a checkout (Figure P7.103).

Figure P7.103 Average Days Kept Average Days Kept 4.44 

Figure P7.103 Average Days Kept Average Days Kept 4.44

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