Question
One mango cost 2 times as much as one orange. Mrs Zhang bought 3 mangoes and 2 oranges for $20.30. How much would 8 mangoes and 9 oranges cost? Express the answers to 2 decimal places.
3 m

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One mango cost 2 times as much as one orange. Mrs Zhang bought 3 mangoes and 2 oranges for $20.30. How much would 8 mangoes and 9 oranges cost? Express the answers to 2 decimal places.