# A book publisher prints 909 copies of a book. He packs the books into boxes with exactly 18 books in each box. How many boxes will he be able to fill, and how many books will be left over?

##### 1 Answer

50 boxes with 9 books left over.

#### Explanation:

We need to see how many lots of 18 will fit into 909. Consequently this is a division.

Lets suppose you do not have a calculator.

The 18 times table is not something most people learn but there is a sort of cheat (not really).

So now we have changed it to the 9 times table.

Long division confuses some people so this is another way of approaching it.

Note that

So to divide by

Thus

So we have 50 boxes +

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