+q, +2q, +3q, +4q, (up to +20q) charges are situated at coordinates (0,0) , (1,0) ,(2,0) , .. (Up to 20). What is the total charge stored in the system?

+q, +2q, +3q, +4q, (up to +20q) charges are situated at coordinates

1.	+q, +2q, +3q, +4q, (up to +20q) charges are situated at coordinates (0,0) , (1,0) ,(2,0) , .. (Up to 20). What is the total charge stored in the system?
A.	+20q
B.	+210q
C.	+420q
D.	+190q
Answer» C. +420q