ChatterBank1 min ago
number puzzle
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andy's savings came to less than twice the square of the difference between the pence and the pounds, all in pence.
given that his savings were less than �200 , how much were they
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If this is a 'trick' question the answer is �199.99 becuase (19900-99)p = 19801p = 140.7 * 2 = 281.4 and 200 is less than 281!
Otherwise it's �100.98 because �100.99 = (10000 - 99)p = 9901 = 99.5sq.rt * 2=199. You then deduct another penny making it 98p because it has to be less than twice the square)
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