Question

if a:b=2:3 and b:c=4:5 then

a:b:c=?

Answer 1

a:b= 2:3
b:c=4:5 
we cross multiply of b in a:b we multiply between 4 and b:c multiply 3
then we get 8:12:15

Answer 2

a:b= 2:3
b:c=4:5 
 cross multiply b in a:b and multiply 4 and in b:c multiply 3
the ans we get is 8:12:15