Granny swears that she is getting younger. She has calculated that she is four times as old as I am now, but remember that 5 years ago she was five times as old as I was at that time.
What is the sum of our ages now?
Select one option, then click Submit.
95
100
105
110
115
Select an option, then submit.
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Junior Mathematical Challenge 2008 (2008)
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