Get the Math and Get the Points Jan 2016 CC Alg I Regents #15

From the January 2016 Common Core Algebra I Regents:

Jan 2016 A1 15

p is the number of people — which must be positive leaving answers (1) and (2).
What is an integer?  Integer is related to the word integrity which means whole.
Real numbers means all numbers including non-integers like 1.5 — you cannot have 1.5 people

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