A number can either be composite or prime. The only prime number that you listed here is 2, because the only factors of 2 are 1 and itself.
Step-by-step explanation:

They both have 5 in common
if you were to reduce the fraction it would be 11/16 because
55 divided by 5 is 11 and 80 divided by 5 is 16
Answer:
$5
Step-by-step explanation:
25 X 20% (0.20) = 5