nashie87 nashie87
  • 12-11-2021
  • Mathematics
contestada

Devaughn's age is two times Sydney's age. The sum of their ages is 21. What is Sydney's age?

Respuesta :

ZinCeNeyeLv
ZinCeNeyeLv ZinCeNeyeLv
  • 12-11-2021

Answer:

The age is 7

Step-by-step explanation:

Devaughn's age is two times Sydney's age

and the sum of their ages is ? Let’s Sydney's age is X, Devaughn's age is (2X+X=21)

Therefore 3X=21

Rearranged is X= 21 divide 3

Therefore Sydney’s age is 7

Answer Link

Otras preguntas

The League of Nations can best be described as a a. peace treaty. c. division of territory. b. secret alliance. d. mutual defense agreement.
Which side had a more difficult time rebuilding after the civil war South or North?
Where does a compass point in the northern hemisphere
into what group would humans be classified?
In the "Christmas Song" what are folks dressed up like?
London's Trafalgar Square Christmas tree is traditionally given by which country
A scale model of a building is 2.3 feet high. The ratio of the height of the model to the height of the building is 11:56. How tall is the building, in feet?
What is filled with enzymes that can break down substances in cells to be used later?
Which carbohydrate makes up the cell wall of fungi?
What is the sale price? $99 watch with a 40% discount