129k views
3 votes
(A LOT OF POINTS) a=2:3=b:c d=7:3=e:f g=a+d g=3:4=(b+e):(c+f) a=45 what is d?

User PhilLab
by
7.5k points

1 Answer

5 votes

Answer: 1:7

Explanation:

Given,

A : B = 2 : 3

B : C = 5 : 7

C : D = 3 : 10

To Find : A : D = ?

Step 1 : Find Value of B using A : B = 2 : 3

Step 2 : Substitute value of B in equation number 1 to find value of A:C ?

Step 3 : Get Value of C from equation C : D = 3 : 10

Step 4 : Substitute value of C in equation (iii)

This Gives as value of A:D = 1:7

User Krishna Kamal
by
7.9k points