Question

Two number are in ratio of 5:12 If 10 is adding 20 from each of the number ,the ratio become 2:1 find the number

Answer 1

5x+10/12x+20=2/1

1(5x+10)=2(12x+20)

5x+10=24x+40

24x-5x=40-10

19x=30

x=30/19

x = 30/19