In a code language, 'five times six' is written as '564' and 'eleven plus eight' is written as '755'. How will 'two minus one' be written in that language?

The coding follows a pattern based on the number of letters in each word of the phrase:
'five times six' → '564'

'five' has 5 letters.

'times' has 5 letters.

'six' has 3 letters.

To get the code '564', the number of letters are transformed: (5)→5, (5+1)→6, (3+1)→4.

Let us check the second phrase to verify the exact logic:
2. 'eleven plus eight' → '756'

'eleven' has 6 letters.
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'plus' has 4 letters.

'eight' has 5 letters.

Pattern:

First digit: (number of letters in 1st word) +1=6+1=7

Second digit: (number of letters in 2nd word) +1=4+1=5

Third digit: (number of letters in 3rd word) +1=5+1=6

This perfectly matches '756'.

Let's re-verify the first phrase with this +1 rule:

'five' (5 letters) +1=6 (Wait, the first digit is 5, meaning the rule is slightly different or 'five' is a typo in standard sources, let's look closely at the number of letters:

'five' = 4 letters →4+1=5

'times' = 5 letters →5+1=6

'six' = 3 letters →3+1=4

This matches '564' perfectly!

Applying the same logic to 'two minus one':

'two' has 3 letters →3+1=4

'minus' has 5 letters →5+1=6

'one' has 3 letters →3+1=4

Therefore, the code for 'two minus one' is 464.