Question

If a:b=1.5:3.5 and b:c=5:6,find a:c

Answer 1

Since, a/b = 1.5/3.5 and b/c = 5/6 (It is given that)

Then (a/b) x (b/c) = (1.5/3.5) x (5/6)

or a/c = 5/14

[Because (a/b) x (b/c) = a/c]

So, the a/c = 5/14

Answer 2

a:b=1.5:3.5
a/b=1.5/3.5
b:c=5:6
b/c=5/6
a/b=1/3
then
a/c=1/5
a:c=1:5