SOLUTION: A man is 42 and his daughter is 8. in how many years will the father be twice as old?

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Question 598924: A man is 42 and his daughter is 8. in how many years will the father be twice as old?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +n+ = number of years when Father is
twice as old as Daughter
+42+%2B+x+=+2%2A%28+8+%2B+x+%29+
+42+%2B+x+=+16+%2B+2x+
+x+=+42+-+16+
+x+=+26+
In 26 years the Father will be twice as old
check:
Father will be +42+%2B+26+=+68+
Daughter will be +8+%2B+26+=+34+
+68+=+2%2A34+
OK