Respuesta :

If the first is x then the secoond is 3x. The third is

= 3x + 4

If the sum of the numbers is 25 then

x + 3x + 3x + 4 = 25

7x = 25 - 4

7x = 21

x = 21/7

= 3

Then 3x

= 3 * 3

= 9 and the third will be

= 3(3) + 4

= 13