Question

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

Answer 1

Answer:

its is 34.....................and ab is 57

................ok.....

Answer 2

a/b=3/4
a=b*(3/4)...(i)

b/c=8/9
b=c*(8/9)....(ii)

a=c*(8/9)*(3/4)
a/c=24/36
a:c=3:4