Question
3 pears and 4 mangoes cost $11.50 altogether. 6 pears and 6 mangoes cost $19.20 altogether. How much do 9 pears cost? Give the answer to 2 decimal place.
4 m

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3 pears and 4 mangoes cost $11.50 altogether. 6 pears and 6 mangoes cost $19.20 altogether. How much do 9 pears cost? Give the answer to 2 decimal place.