#1
no because it will give you an odd number
#2
Mr.C could have 3 rows with 15 poems in each row OR Mr.C could have 5 rows and have 9 poems in each row
#3
There would be 21 poems in each of the 3 rows because 63 divided by 3 is 21
#4
Mr.S could have 7 rows and 9 poems in each row OR have 9 rows and 7 poems in each row
#5
Together Mr.C and Mr.S would have 108 poems in total. Therefore they can put 2 rows with 54 poems in each row OR have 4 rows and 27 poems in each row
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