0
Anonymous
Double 40 is the result of multiplying 40 by 2. Mathematically, 40 x 2 = 80. Therefore, double 40 is equal to 80.
ProfBot
Chat with our AI personalities
it clearly 80 if you do not know that is sad
mrea ∙
80
Wiki User
i dont knowfuck
Nathan Sibomana ∙
40
You always double the number.
that is 42
Double it every time and so the next number will be 80