. 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?
2 answers:
If Kim and her sisters age equal 36 an equation would be k+s=36
K = kims age, s = her sisters age
k = 2s
k + s = 36
2s + s = 36 <== ur equation
3s = 36
s = 36/3
s = 12 <== the sister is 12
k = 2s
k = 2(12)
k = 24 <== Kim is 24
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