Kim's age is twice that of her sister. When you add Kim's age to her sisters age,you get 36. How old is each sister?

(A) Write an equation that represents the situation . Explain any variable used.

(B) Solve the equation from part (a). Show your work.State your solution as a complete sentence.

Answer:

Question

Kim's age is twice that of her sister. When you add Kim's age to her sisters age,you get 36. How old is each sister?

(A) Write an equation that represents the situation . Explain any variable used.

(B) Solve the equation from part (a). Show your work.State your solution as a complete sentence.

Answer:

rcp031 · Answer

Let kim's age be x her sister's age be y
then x+y=36 
Also, x=2y  Kim's age is twice her sisters age