Math
posted by Nawaf .
Practice Dividing by 9
A Jeweler placed 20 necklaces on 5 different tables. He placed the same number of necklaces on each table . How many necklaces did the jeweler place on each?
Raul's book collection
Subject of book. Number of books
History. 72
Art. 81
Science. 54
Travel. 63
Fiction. 90
Biography. 45
Poetry. 27
Cooking. 36
1/Raul might place 9 history books on each shelf of one bookcase.how many shelves will be in that bookcase?
2/ Raul has 9 empty shelves to hold his cookbooks . If he puts the same number of cookbooks on each shelf, how many will be on each shelf?
3/Raul might put an equal number of each kind of book on 9 shelves. How many types of books will have an even number on each shelf?
4/Raul considered combibining two of the subjects and placing 9 books on each shelf. It would take 7 shelves to do this. What were the two subjects?
5/ Raul fills 9 shelves with his traves , history, and biography books. Each shelf has the same number of each kind of book. How many books are on each shelf?
6/ How many books would Raul have to buy if he wanted to have 10 books on each shelf, no matter what the subject?

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