The ratio of students in Jaímes class who have a dog or cat at home to those who don’t is 12:8 What percent of the class do NOT have a dog or cat at home?

Respuesta :

20
add the figures 12 and 8
(i think-not 100% sure)

40% of the children don't have a dog or cat

12+8 = 20

20/8 = .4

.4= 40 %