Question
A supermarket was having sale for tarts. For every 9 tarts bought, 4 tarts would be given free. Mrs Luis paid for 36 tarts. How many free tarts would she have in all?
4 m

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A supermarket was having sale for tarts. For every 9 tarts bought, 4 tarts would be given free. Mrs Luis paid for 36 tarts. How many free tarts would she have in all?