Question
One mango cost 3 times as much as one starfruit. Mrs Zhang bought 4 mangoes and 3 starfruits for $36.40. How much would 12 mangoes and 6 starfruits cost? Express the answers to 2 decimal places.
3 m

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One mango cost 3 times as much as one starfruit. Mrs Zhang bought 4 mangoes and 3 starfruits for $36.40. How much would 12 mangoes and 6 starfruits cost? Express the answers to 2 decimal places.