Answer:
40
Step-by-step explanation:
A quarter of 1600 is 400. A tenth of that is 40.
:P
Hope this helps with the answer to your question:)
This is a well known joke:
Why six afraid of seven? Because seven ate nine!
It is supposed to be a "word game" where instead of writing eight, the authour wrote ate, which sound the same but means something different.
Hope it helped,
Happy homework/ study/ exam!