Respuesta :
Answer:
option C
Step-by-step explanation:
set A= {5, 10, 15, 20…}
5, 10, 15, 20… are the multiples of 5
Here all the numbers are positive and all the numbers are rounded numbers
5, 10, 15, 20… are the natural numbers and they are represented by N
So set A is x such that x is a natural number and x is a multiples of 5
Its option C