Question

if a:b = 6:5 and b : c = 10 :9 find
a:c
solve the question with explanation ​

Answer 1

Answer:

4:3

Step-by-step explanation:

a:b = 6:5 & b:c= 10:9

means a/b = 6/5 & b/c = 10/9

if we multiply 6 & 5 with 2

then a/b = 12/10

by this,a = 12,b = 10 & c = 9

so that, a/c = a:c = 12:9 = 4:3

Answer 2

Answer:

I have doubt why we multiply with 2 please tell