<span>The question is asking us to determine the region where moved the Khmer and Mon peoples from 800 to 1200. The Khmers are very old ethnic group that came into Southeast Asia at the same time as the Mon people. They were builders of the Khmer Empire in Cambodia ( 802 - 1431 ). Answer: They moved into the northern regions of A ) Cambodia.</span>
$540, you just multiply $50 x those 6 months =$300 then you multiply $40 x those other 6 months and u get $240 and then you add the 240 and the 300 and get 540