Question
The total price of 3 king melons and 4 durians is the same as that of 9 king melons and 3 durians. Each king melon costs $15 less than each durian. How much does each durian cost?
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The total price of 3 king melons and 4 durians is the same as that of 9 king melons and 3 durians. Each king melon costs $15 less than each durian. How much does each durian cost?