SOLUTION: A man is now 3 times as old as his son. The sum of their ages 5 years ago was 38 years. Find the present age of each of them

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Question 950281: A man is now 3 times as old as his son. The sum of their ages 5 years ago was 38 years. Find the present age of each of them




Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+m+=+3s+
+m+-+5+%2B+s+-+5+=+38+
----------------------
+m+%2B+s+-+10+=+38+
+m+%2B+s+=+48+
-----------------
By substitution:
+3s+%2B+s+=+48+
+4s+=+48+
+s+=+12+
and
+m+=+3s+
+m+=+3%2A12+
+m+=+36+
The son is 12 and the man is 36