Respuesta :
They are not proportional.
One way to check is to cross-multiply and see if you get the same number on each side of the = sign.
8(80) = 20(20)
640 = 400
Not equal
One way to check is to cross-multiply and see if you get the same number on each side of the = sign.
8(80) = 20(20)
640 = 400
Not equal