The age of the father 4 years ago was 8 times the age of his son. At present the father's age is 4 times that of his son . What are the present ages of the father and the son?
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4
Answer:
7 28
Step-by-step explanation:
(f-4) 8(s-4)
f=4s
4s-4= 8s-32
4s=28 s-7 f-28
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