Respuesta :
They have 10 as their gcf!
Factors of 10: 1, 2, 5, 10
Factors of 20: 1, 2, 5, 10, 20
Hope this helped! :D
Factors of 10: 1, 2, 5, 10
Factors of 20: 1, 2, 5, 10, 20
Hope this helped! :D
