Rita has 5 copies of a book. She dogears 4 pages in each copy. How many pages are dogeared in all the copies?
20
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Solution
The correct option is A 20 Total number of pages dogeared by Rita
= Number of copies x Number of pages dogeared in each copy
= 5×4=20
(Start at 0 and make 4 big jumps of 5 each, we will get to 20!)