Question
One mango cost 3 times as much as one persimmon. Mrs Zhang bought 2 mangoes and 4 persimmons for $39.20. How much would 10 mangoes and 7 persimmons cost? Express the answers to 2 decimal places.
3 m

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One mango cost 3 times as much as one persimmon. Mrs Zhang bought 2 mangoes and 4 persimmons for $39.20. How much would 10 mangoes and 7 persimmons cost? Express the answers to 2 decimal places.