Respuesta :

fraction of navy beans = 1 - 2/5 = 3/5. So there are 2/5 * 550 = 220 white bean and 3/5 * 550 = 330 navy beans

ratio of white beans to navy beans is  220 : 330  = 2 : 3

Answer is  2:3.
2/5 of 550 = 220
that means 3/5 are navy beans.
550-220 = 330

white beans:navy beans
220:330

divide by 10=
22:33
divide by 11=
2:3