Question

if a:b = 5:7 and b:c =15:8 find a:c​

Answer 1

Answer:

a/b= 5/7.......(i)

b/c = 15/8.....(ii)

Multiplying (i) and (ii) we get,

a×b/b×c = 5×15/7×8

a/c = 75/56

a:c = 75:56