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### Dr Penny Pincher says

(3) 250

72% prefer tea + 44% prefer coffee = 116%

That means the 40 who like both represent 16%. These people must have voted for both coffee and tea...

It 40 people represent 16%, solve for 100% to find the total number of workers:

16/40 = 100/x

16x=4000

x=250

### MoltenHound says

72% + 44% = 116%

100% - 116% = 16%

So, 16% is equal to 40 people.

100% divided by 16% = 6.25

So, 6.25 * 40 people = 250!

Answer: 250 which is option (3)