Question

a:b=3:4 ,c:b=5:4,c:d=10:9 find a:b:c:d​

Answer 1

Answer:

a=3

b=4

c=10

d=9

Answer

Answer 2

Answer:

6:8:10:9

Step-by-step explanation:

since C:B = 5:4 and C:D = 10:9

C = 5*2 = 10

A:B = 3*2: 4*2

      = 6:8