Question
Irene has to paste 7 stamps on each page of an album. She has filled up 3 pages and she needs another 15 stamps to fill up the album. How many stamps can the album hold altogether?
4 m

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Irene has to paste 7 stamps on each page of an album. She has filled up 3 pages and she needs another 15 stamps to fill up the album. How many stamps can the album hold altogether?