Question
The total price of 4 watermelons and 10 mangoes is the same as that of 9 watermelons and 9 mangoes. Each watermelon costs $4 less than each mango. How much does each mango cost?
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The total price of 4 watermelons and 10 mangoes is the same as that of 9 watermelons and 9 mangoes. Each watermelon costs $4 less than each mango. How much does each mango cost?