Question

Solve with explanation :

Answer 1

Explanation:

Since AC : CD is 7:13 AD = 20 ( or a multiple of)

AB:BD is 1:4 multiply by 4

AB:BD is 4 : 16 which shows again AD = 20

then

AB = 4 BC goes from 4 TO 7 So BC = 3 and CD is 13 (given)

AB:BC:CD is then 4:3:13 (Which again totals 20)