I might not be understanding what you mean but I think it is by counting 10s. 170,180,190,200,210,220,230,240,250,260,270,280,290,300,310,320,330,410.
After you solve it you get B
helped.
This answer was fact checked as TRUE by independent fact checkers
Answer:
equivalent = 30w 30(w) 30*w
the rest are non equivalent
