Question

Assuming that x, y and z are integers, what is the contrapositive of the following statement? "If xy is not a multiple of z, then neither x nor y is a multiple of z"


If x is not a multiple of z??? or y is not a multiple of z?????????, then xy is not a multiple of z
If either x or y is a multiple of z, then xy is a multiple of z
If xy is not a multiple of z, then x is not a multiple of z??? or y is not a multiple of z???

Answer 1

I think it is A.