Question

PLEASE ANSWER THIS FAST.

Answer 1

Hi Friend,

Here is your answer,

They are telling to find ratios 3:4 and 4:5 ad 5:4 

Compound ratio can be like this p:q , r:s is pq: rs

3*4: 4*5=> 45:x

12: 20 => 45:x 

12/20=>45/x 

Transfer the question on the left hand side

45*20/12=>x 

(Take the multiples of 20 and 12)

45*5/3 =>x 

15*5=>x 

x=>75 Correct answer.

Hope it helps you!