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9. Ben has 69 planks that are of standard size. He would need 5 such planks to make a bookshelf. Find the maximum number of bookshelves Ben can make.

plz answer​

User Oran
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Answer:

13

round off because the remaining can't be made into bookshelves

Solve 9. Ben has 69 planks that are of standard size. He would need 5 such planks-example-1
User Ostas
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