Question

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Answer 1

a. 2 times

Explanation:

Given the number of teachers North as 20 and the number West as 12: We can calculate the ration of North to West to find how many times more the teachers at North are:

`Ratio=(Teachers_(north))/(Teachers_(west))\\\\=(20)/(12)\\\\=(5)/(3)\\\\=1.6667\approx 2`

Hence, there are approximately 2 times as many teachers North as are there West.