Question

If a: b = 3 : 4 and bc = 8:9 then a : c=?​

Answer 1

Answer:

a : b = 3 : 4 = 6 : 8

b : c = 8 : 9

so,

a : b : c = 6 : 8 : 9

a : c = 6 : 9 = 2 : 3

so, a : c = 2 : 3

Answer 2

Answer:

3:9 is the correct answer