Question

a) If a : b = 3:6 and b:c =7:9, find a :b:c.​

Answer 1

Answer:

To find a:b:c , b is made same in both ratios.

LCM of 6 and 7 is 42

a:b = 3/6=3/6*7/ 7=21/42

b:c = 7/9=7/9*6/6=42/54

Therefore, a:b:c = 21:42:54

Step-by-step explanation:

Hope it helped u dear frnd!!

Answer 2

4:3:9

explanation :3:6

+ 7:9

=4:3:9