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AnonymousGiantsFan
Sorry, I don't have time to explain it.


I will edit it and explain it later.

The answer is C 

Glad I could help, and good luck!
tour
Ok 5 x 8 = 40 so we have to do 3 x 5 because whatever you do to the bottom you have to do it to the top so 3 x 5 = 15 and 2 x 8 = 16 then add 15 + 16 to get 31