Answer:
c
Step-by-step explanation:
525,000 LL
6 x 3 = 18 (days)
150,000 x 3 = 450,000
21 - 18 = 3 so 6 * 2 = 3 ( 150,000 *(divide) 2 = 75,000)
so 450,000 + 75,000 = 525,000
A,C,D,E
When plotting to use the form
(X,Y) aka (horizontal, vertical)
John added 1 +4 +4 to get 9 (12x12 = 144)
12x12 actually equals 144
1 + 4 +4 = 9 so it appears John just added all the digits of 144 to get 9
