Todd and Kenneth are shelving books at a public library. Todd shelves 8 books at a time, whereas Kenneth shelves 16 at a time. If they end up shelving the same number of books, what is the smallest number of books each could have shelved?

Sharon and Mateo are shelving books at a public library. Sharon shelves 5 books at a time, whereas Mateo shelves 9 at a time. If they end up shelving the same number of books, what is the smallest number of books each could have shelved?

There are 15 books on a shelf. 7 of these books are new. The rest of them are used.(a) What is the ratio of used books to all books on the shelf?(b) What is the ratio of new books to used books?

Luke has 9 math books and 12 science books. If he wants to distribute them evenly among some bookshelves so that each bookshelf has the same combination of math and science books, with no books left over, what is the greatest number of bookshelves Luke can use?

A library had 32 shelves of books. The books were placed either on the right or left side of the shelves. Each shelf had 21 books. There were 301 books on the left, how many books were there on the right? books

Meg is putting bottles and cans in bags to take to a recycling facility. She puts bottles in bags of 8 and cans in bags of 7, with no partially filled bags. While counting up the cans and bottles, an employee at the recycling facility points out that Meg has the same number of each. What is the smallest number of bottles that she can recycle?