Respuesta :

3a  scale factor is 8:12  = 2:3 answer

3b that wou;d be 12/8  = 3/2 answer
choixongdong
3
a)
SF of DEF to HIJ = 15:10 = 3:2 (using a colon)
b)
SF of HIJ to DEF = 10/15 = 2/3 (as a fraction)