Question

If 3A = 7B = 4C, find A:B:C.

Answer 1

Step-by-step explanation:

3a =k

7b =k

4c=k

a=k/3

b=k/7

c=k/4

Then a:b:c

=k/3:k/7:k/4=1/3:1/7:1/4

=28:12:21