19(3) + 17(2) = 91 and 91 is not equal to 55
19(3) +17(-2) = 23 and 23 is not equal to 55
19(2) + 17(1) = 55 and also 17(2) + 19(1) = 53
So the answer is C.
Hope this helped :)
5 7 9 11 13 15 Is the next answer
Can you please translate it into English?
I don't know how to speak your language...
sorry!