Question

1. Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 36. How old is each sister? You must complete all sections of this questions to receive full credit. 
(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 1

A) 2x+x=36

B) 2x+x=36
3x=36
x=12

Kim is 24
Her sister is 12