Neptune has 13 known moons and an orbital period of about 60190 Earth days.
30
30 divided into 2640 = 0.011363636363636364
90 divided by 3 = 30
60 divided by 2 = 30
0.1
30 30 divided by 2 is 15 30 divided by 3 is 10 30 divided by 10 is 3
30 divided by two is 15 :)
7.5
180
0.019
37.6