Question

P = {x:x is a multiple number of 3 between 10 and 20

Answer 1

Answer:

p={x:x is a multi ple of 3 between 10&20}

p={12;15;18}

Answer 2

P = {x:x is a multiple number of 3 between 10 and 20}

P= {12, 15, 18}