Question 1204137
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Notice that the problem does not say that the press produced 1000 books in the first day.


Instead,  it says that the press  {{{highlight(highlight(can))}}}   produce  1000  books per day,

which is,  obviously,  DIFFERENT statement.


So,  we really do not have the necessary information and a base to start and to make even first step.



Professional  Math writers  NEVER  generate their problems in such an ambiguous way.


They always distinct the intentions from what is/was really done.