Question 1169898: Kres is 7 years older than Kyle. Fourteen years ago, Kres is twice as old as Kyle. What are their present age?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617)   (Show Source):
Answer by ikleyn(52787)  (Show Source):
You can put this solution on YOUR website! .
Fourteen years ago, Kres is 7 years older than Kyle and twice as old as Kyle, at the same time.
Hence, 7 years ago Kres was 14 years old, while Kyle was 7 years old.
THEREFORE, their current ages are 14 years more, i.e. 28 and 21 years, respectively.
Solved mentally in 3 lines, without using equations.
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