Respuesta :

queend0814
The greatest common factor is 2.
Hrishii

Answer:

2

Step-by-step explanation:

[tex]20x = 2 \times 2 \times 5 \times x \\ \\ 18y = 2 \times 3 \times 3 \times y \\ \\ common \: factor = 2 \\ \therefore \: GCF \: of \: 20x \: and \: 18y = 2[/tex]