Question

6. If A:B =1/3:4/9 , B:C =5/6:7/12,C:D =2/7:5/14
then A:B:C:D is​

Answer 1

Answer:

30:40:28:35

Step-by-step explanation:

A:B=3:4....*multiply by 5

B:C=10:7....*multiply by 2

C:D=4:5.....(HERE all terms are multiplied

... its second terms denominator..)

A:B:C=15:20:14....... *2

C:D=4:5.. .. .... *7

(LCM OF .. 4&14 is 28)

* =multiply

A:B:C:D=30:40:28:35