SOLUTION: Marks father is 4 times as old as mark. After 14 years his father will be 2 times as old as mark. How old is mark and his father.
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Question 1008524: Marks father is 4 times as old as mark. After 14 years his father will be 2 times as old as mark. How old is mark and his father.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Call their ages NOW, f and m. Then we have
f = 4m and
f + 14 = 2(m + 14)
Now substitute and get
4m + 14 = 2m + 28
2m = 14
m = 7
f = 28
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