SOLUTION: Three years ago Mary was three times as young as her father. Today Mary's father is 12 years older than twice Mary's age. How old is Mary now?
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Question 655597: Three years ago Mary was three times as young as her father. Today Mary's father is 12 years older than twice Mary's age. How old is Mary now? Answer by ewatrrr(24785) (Show Source):
Hi,
Today Mary's father is 12 years older than twice Mary's age
Mary's age:
father's age:
Question states***Three years ago Mary was three times as young as her father.
(father was 3 times as old)
2x + 12 - 3 = 3(x-3)
2x + 9 = 3x - 9
18 = x, Mary's age NOW
and***father NOW 48...Three years ago
