Respuesta :

NobleAlexander
50% is the same as 0.5.

So, multiply 28 members by 0.5.

28*0.5 = 14. 

Since this problem says it is an INCREASE of 50% we ADD that amount to the original amount.  

28 + 14 = 42 members
Hoodligan
multiply 28 times .50
it should give you 14 and add that to the total which is
42

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