SOLUTION: A father's age is in the ratio of 5:3 to that of his son, seven years ago the age of the father was 43. Find the age of his son.

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Question 760069: A father's age is in the ratio of 5:3 to that of his son, seven years ago the age of the father was 43. Find the age of his son.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+f+%2F+s+=+5%2F3+
7 years ago the age of the father was 43
Now the father's age is +43+%2B+7+=+50+
+50+%2F+s+=+5%2F3+
Multiply both sides by +3s+
+150+=+5s+
+s+=+30+
the son is 30
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