When Arthur is as old as his father Hailey is now, he shall be 5 times as old as his son Clarke is now. By then, Clarke will be 8 times older than Arthur is now. The combined ages of Hailey and Arthur are 100 years. How old is Clarke?

2 Answers on this Question

1. Let assume clerk age as = X
   then Arthur age will be = 5x
   also, Haily age will be the same =5x

   Now Clerk age becomes 8(5x)=40x
   Sum of their ages = 5x+5x=100
   therefore x=10
   That is clerk age is 10

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2. Clarke is 80 years old

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