Question

If A:B= 3:4,B:C= 5:7. Find A:B:C.


Please try to give the answer fast please.....​

Answer 1

Answer:

$\boxed{\bf \implies A:B:C=15:20:28}$

Step-by-step explanation:

$\boxed{Given,} \\\\A:B=3:4\\B:C=5:7 \\\\ \boxed{solution} \\\\ \implies A:B=3:4 \\ multiply \ with \ 5 \\\\ A:B=5(3:4)\\A:B=15:20\\\\ \implies B:C=5:7\\multiply \ with \ 4\\\\B:C=4(5:7)\\B:C=20:28\\\\ \boxed{\bf \implies A:B:C=15:20:28}$

Answer 2

Answer:

15:20:28 is the answer