Question
One durian cost 2 times as much as one lemon. Mrs Zhang bought 3 durians and 4 lemons for $15.40. How much would 12 durians and 10 lemons cost? Express the answers to 2 decimal places.
3 m

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One durian cost 2 times as much as one lemon. Mrs Zhang bought 3 durians and 4 lemons for $15.40. How much would 12 durians and 10 lemons cost? Express the answers to 2 decimal places.