SOLUTION: 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? (a) Write an equation that represents the situation. Expl

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Question 1050130: 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?
(a) Write an equation that represents the situation. Explain any variable used
Answer by ikleyn(52803) About Me  (Show Source):
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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?
(a) Write an equation that represents the situation. Explain any variable used
~~~~~~~~~~~~~~~~~ 

Let K be . . . What?

Let S be . . . what?

Then

K = 2S,       (1)
K + S = 36.   (2)

Solved.