Question

find a:b:c if 3a=7b=9c​

Answer 1

Answer:

21:9:7

Step-by-step explanation:

lets consider 3a=7b

so a/b=7:3

consider 7b=9c

so b/c = 9/7

As the value of b needs to be same in both the ratios, multiply by 3 in first ratio then the ratio becomes 21:9.

Therefore, a:b:c = 21:9:7