SOLUTION: A brother and a sister, Peter and Fiona, are always thinking about numbers.
On his birthday, Peter said "My age is a square number."
His older sister Fiona said, "That's right, b
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Question 831899: A brother and a sister, Peter and Fiona, are always thinking about numbers.
On his birthday, Peter said "My age is a square number."
His older sister Fiona said, "That's right, but the sum of our ages and the differemce of our ages also give squared numbers.
Peter replied "In 3 years time, both our ages will be prime numbers."
Fiona said "3 years ago, our ages were also prime numbers."
What are the ages of Peter and Fiona now?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
peter is 16
fiona is 20
16 and 20
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