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Comparing Apples to Oranges

Author(s): 
The purchase price for an apple and an orange is 100 yen. When n oranges and n + 3 apples are bought the price is 520 yen. Find the number n of oranges and the price of one orange. Japan, Edo Era 1603 - 1867 Click here to reveal the answer

"Comparing Apples to Oranges," Loci (February 2008)

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