SOLUTION: Mary is 6 years older than her sister kelly. The sum of their ages is 48. How old is kelly?

SOLUTION: Mary is 6 years older than her sister kelly. The sum of their ages is 48. How old is kelly?

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Question 1132395: Mary is 6 years older than her sister kelly. The sum of their ages is 48. How old is kelly?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
k+6 and k, their ages

.
.
, Kelly's age
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