[fazliyana96]

How about this question?

Florence had a staff numbering 800 at the beginning of 20X1 and 1,200 at the end of that year.400 employess resigned on 30 June and were immediately replaced by 400 new employees on 1 July. 400 extra employees were also recruited at that time .

So according to the answer

400 / (800+1200) / 2 *100
=40%

For the replacements:
400 resigned and were replaced with 400 employees , so now we have 400 and then extra 400 employees were also recruited . so at the end of the year, we will have 800.however, there were 1200 at the end of the year , so that mean 1200-800=400 were replaced . Is it correct?

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