Question

If a:b=4:5 and b:c=7:8,find a:b:c.​

Answer 1

Answer:

4:5:7

please mark as brainliest please follow

Answer 2

Answer:

28:35:40

Step-by-step explanation:

a:b=4:5 and b:c=7:8

a/b=4/5 and b/c=7/8

Now we will make b common in both to find a:b:c

L.C.M. of 5 and 7=35

So, a/b=4/5=4*7/5*7=28/35

b/c=7/8=7*5/8*5=35/40

Now b is same in both.

Therefore , a:b:c= 28:35:40