If … 7/28 of 64 is 16, and 9/12 of 100 is 75, and 3/9 of 33 is 11, what is 5/15 of 45?
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Hint This puzzle is perhaps easier than it first appears.
Answer 15. Using normal mathematics! 5/15 of 45 = 1/3 of 45 = 15.