Question

If A:B =2:3,B:C= 4:5 and C:D =6:7 Find A:D​

Answer 1

Answer:

2/3 * 4/5 * 6/7 = 16/35. Hence, a:d = 16:35

Answer 2

Step-by-step explanation:

a/b=2/3

b=3a/2

put the value of b

b/c=4/5

3a/2c=4/5

a/c=8/15

c=15a/8

put the value of c

c/d=6/7

15a/8d=6/7

a/d=48/105

A:D=48/105