Question

Devaughn's age is two times Sydney's age. The sum of their ages is
51
. What is Sydney's age?

Answer 1

Let's introduce 2 variables for this problem:
Let D = Devaughn's age
S = Sydeny's age

Answer 2

Since Devaughn's age is two times Sydney's age, can you write an expression for this in terms of S and D?

Answer 3

Devaughn's age = 2 times Sydney's age.
We're also told something about the sum of their ages being 51.
Can you express this as an equation?

Answer 4

@anonas1105 here its right here the explaining of your question :)

Answer 5

@dan815

Answer 6

@Hero @nincompoop

Answer 7

Solve these two equations to get to your answer

D=2S
S+D=51


You can substitute D=2S into S+D=51 and solve for S. And that is your answer. :)