Question

a : b = 5 : 7, b : c = 6 : 11 = (6*7/6) : (11*7/6) =7 :77/6

Answer 1

A:B = 5:7 = 30:42

B:C = 6:11 = 42:77

A:B:C = 30:42:77

Answer 2

Answer:

correct answer is 30:42:77

Step-by-step explanation:

a:b=5:7

b:c=6:1

LCM (7,6 ) ___ 42

a/b=5×6/7×6=30/42

b/c=6×7/11×7 = 42/77

a:b=30:42

b:c=42:72

therefore

Answer is

a:b:c = 30:42:77

Hope it helps you my friend.....