SOLUTION: Mary is five years older than two times Katie's age. If Mary is 29,how old is Katie?

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Question 141526: Mary is five years older than two times Katie's age. If Mary is 29,how old is Katie?
Answer by solver91311(24713) About Me  (Show Source):
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Mary's age: m
Katie's age: k

m = 29
m = 2k + 5

so, 2k + 5 = 29.