Question
One durian cost 4 times as much as one orange. Mrs Zhang bought 2 durians and 4 oranges for $37.80. How much would 12 durians and 11 oranges cost? Express the answers to 2 decimal places.
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One durian cost 4 times as much as one orange. Mrs Zhang bought 2 durians and 4 oranges for $37.80. How much would 12 durians and 11 oranges cost? Express the answers to 2 decimal places.