Respuesta :
5p where p is the number of pairs of sock, which has to be whole number.
Since 5 is a whole number and p is a whole number, therefore, 5p must be a whole number.
Since 5 is a whole number and p is a whole number, therefore, 5p must be a whole number.
Answer:
Step-by-step explanation:
p must be a whole number because $5 which is the cost of socks per pair is a perfect divisor of the expression 5p.
i.e 5p/5 = p
And in the expression p represent number of pairs