SOLUTION: Lucy`s father is now three times older than he was 30 years ago.How old is Lucy`s father now ?

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Question 704422: Lucy`s father is now three times older than he was 30 years ago.How old is Lucy`s father now ?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = his age now
given:
+x+=+3%2A%28+x+-+30+%29+
+x+=+3x+-+90+
+2x+=+90+
+x+=+45+
He is 45