Question

If 3A = 7B = 13C, then A : B : C is equal to

A) 21:39:91 B) 39:91:21 C) 13:7:3 D) 91:39:21

Answer 1

Answer:

a is the answer but I think your option is incorrect.

Step-by-step explanation:

i think option must be A) 21:49:91 instead of A) 21:39:91 because acording to my option it will fit on the question.---**

21: 49: 91

3A=3×(7) 7B=7×(7) 13C=13×(7)

I hope you will understand.

please mark it as brainliest.