Question

Two number are in the ratio 3:5. If 9 substracted from each, the new number are in the ratio 12:23, find the number?

Answer 1

let no. be3x and 5x. 3x-9/5x-9=12/23.12(5x-9)=23(3x-9).60x-108=69x-207.99=9x.x=11.hence the two no. are 33and 55.