A man is 3 times as old as his son. four years ago, the sum of their ages was 60. how old is each?

sum-of-their-ages

#1

a man is 3 times as old as his son. four years ago, the sum of their ages was 60. how old is each?

Answer:

Let the present age of son be S, and that of man be M

Since the man is 3 times as old as his son, we have

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