Question

if a:b=2:7,c:d=2:1 and b:d = 5:4 then find a:c
please answer this asap​

Answer 1

Step-by-step explanation:

a/b=2/7,c/d=2/1,b/d=5/4

a/b.d/c.b/d=2/7.1/2.5/4

a/c=5/28

a:c=5:28