smack3804 smack3804
  • 11-06-2017
  • Mathematics
contestada

The sum of three numbers is 75 . the third number is 2 times the first. the first number is 9 more than the second. what are the numbers?

Respuesta :

frxart
frxart frxart
  • 11-06-2017
25,5 , 16,5 and 33.
The original number is x.
So
(x+9) + x + 2x = 75
4x + 9 = 75
4x = 66
x = 16,5

Lets see if its right.
25,5 + 16,5 + 33
= 42 + 33
= 75

;)
Answer Link

Otras preguntas

A bacterium and amoeba are placed in different domains becauseA. a bacteria is single celledB an amoeba is photosyntheticC an amoeba can moveD a bacterial cell
What is the smallest length marked on a 12-inch ruler?
Your favorite day in your life
what is .255 in fraction form
5.264 round to the nearest ones
what gas makes up close to one fourth of the air surrounding the earth
In which Muslim empire did artisans produce beautiful rugs and pottery?   A. Ottoman Empire   B.
dr. wong can see 9 patients in 3 hours, at this rate how long willl it take dr too see 72 patients?  PLEASE HELP!!!
How do I simplify negative square root of 72
what gas makes up close to one fourth of the air surrounding the earth