Answer:
Option D. 
Step-by-step explanation:
we know that
The Centroid of a Triangle is the center of the triangle that can be calculated as the point of intersection of all the three medians of a triangle. The centroid divides each median in a ratio of 
In this problem the point R represent the centroid of triangle JKL
therefore

substitute the value

Answer:
the adults had 2,010 tickets and the students had 900 tickets
Step-by-step explanation:
402×5=2,010 and 900×1=900 so that is how I got it please mark me brainlest
2×7 is one and 7×2 It's impossible to do any other ways because you can only use multiplaction
The correct answer would be D) or the Torah