Homework Help: math

Posted by james on Wednesday, October 13, 2010 at 1:18pm.

The Mayan Empire, which ruled Central America for centuries, had two calendars. One calendar was the same
as ours, 365 days long (without leap year). The other calendar was 270 days long, the length of a woman's
pregnancy. If both start on day one at the same time, then after how many of our years will the two calendars
begin at day one at the same time again?

math - Reiny, Wednesday, October 13, 2010 at 1:25pm
This is like finding the LCM of the two numbers
365 = 5x73
270 = 5x2x27

LCM = 5x2x27x73 = 19710 days

or 54 of our year

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