Question
One jackfruit cost 3 times as much as one mangosteen. Mrs Zhang bought 3 jackfruits and 2 mangosteens for $11.70. How much would 10 jackfruits and 12 mangosteens cost? Express the answers to 2 decimal places.
3 m

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One jackfruit cost 3 times as much as one mangosteen. Mrs Zhang bought 3 jackfruits and 2 mangosteens for $11.70. How much would 10 jackfruits and 12 mangosteens cost? Express the answers to 2 decimal places.