Question

If a:b= 2:3 and b:c= 5:7, then a:b:c equals what?

Answer 1

pls mark this brianest answer

Answer 2

Answer:

10:15:21

Step-by-step explanation:

A:B=2:3 B:C=5:7

L.C.M. Of 3 and 5 =15

a:b= 2×5 : 3×5  =10:15

b:c= 5×3: 7×3  =15:21

therefore,

a:b:c = 10:15:21