3*8 = 24
4*5 = 20
6*4 = 24
total stamps: 68
new page holds 7*10 = 70 stamps
Mary wants to put all of her stamps on a single page. she has one page with 3 rows of 8 stamps, another page woth 4 rows of 5 stamps, and a third page with 6 rows of 4 stamps. her new single page has 7 rows and can fit 10 stamps across. can she fit all her stamps on the new page? explain.
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