dragonriderdr5555 dragonriderdr5555
  • 23-05-2020
  • Mathematics
contestada

2. Two numbers are in the ratio of 3 : 5. If 8 is added
to each number, the ratio becomes 2 : 3. Find the number
​

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 23-05-2020

Answer:

 x/y = 3/5

=> x = (3/5)y   (1)

(x + 8)/(y + 8) = 2/3

=> 3*(x + 8) = 2*(y + 8)

=> 3x + 24 = 2y + 16

=> 3x - 2y = -8   (2)

From (1) and (2), we have:

=> 3*(3/5)y - 2y = -8

=> (-1/5)y = -8

=> y = 40

=> x = (3/5)*y = (3/5)*40 = 24

=> Solution: x = 24, y = 40

Hope this helps!

:)

Answer Link

Otras preguntas

The number of sticks of gum varies directly as the number of packages. There are 36 sticks of gum in 2 packages . suppose you have 5 packages of gum .write and
The number of sticks of gum varies directly as the number of packages. There are 36 sticks of gum in 2 packages . suppose you have 5 packages of gum .write and
Which traditional thanksgiving treat was probably NOT part of the 1621 pilgrim celebration in Plymouth
What was a common goal of the Eight-Nation alliance ?
who is the smarteset person in the wourld
Non examples of globalization
All of the following are Enlightenment philosophers, EXCEPT? A) Voltaire B) John Locke C) Jean-Jacques Rousseau D) John Winthrop
Write as a decimal 200 add three tens add nine hundreds
The United States went to France's aide during their revolution. True or False.
There are four "human skills" that a good administrative Medical assistant should posses. Give a realistic medical office example of how the MAA could use one o