Question

Two numbers are In the ratio 3 : 5 if 9 be subtracted from each then they are in thr ratio of 12 : 23. find the second number.
(hint : let the number be 3 x and 5x then 3x-9/5x-9= 12upon 23 Now find x and then 5x )​

Answer 1

Answer:

let the number be 3x and 5x

then (3x-9)/(5x-9)=12/23

=> 23(3x-9)=12(5x-9)

=> 69x-207=60x-108

=> 69x-60x=207-108

=> 9x=99

=> x=99/9=11

the second number is 5x=5*11=55

Answer 2

Answer:

The answer is 175

Step-by-step explanation:

$\frac{3x - 9}{5x - 9 } = \frac{12}{23}$

69x – 207 = 60x – 108

9x = 315

∴ x = 35

3x = 105

5x = 175