3 ms·
30 is just as divisional as 60 as it is also divisible by 2, 3, 4, 5 and 6, but 12 x 5 = 60 so I guess that's why they used 60 instead of 30.
by timbit42 3y ago
30 is just as divisional as 60 as it is also divisible by 2, 3, 4, 5 and 6, but 12 x 5 = 60 so I guess that's why they used 60 instead of 30.