Answer: The numeral 20
Explanation:
For the Maya, the basic unit of time, a day, was called a kin. In the second order, 20 kins made up a uinal. In a vigesimal system the third order would be 20 uinals but, instead, 18 uinals made up a tun. Thus a tun was 360 kin (days)
Here's my answers! Sorry that I'm a bit late!! I got a C+ on my test but it said this was right so yea