Question
A kiosk was having promotion for wafers. For every 10 wafers bought, 5 wafers would be given free. Mrs Bobby paid for 40 wafers. How many free wafers would she have in all?
4 m

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A kiosk was having promotion for wafers. For every 10 wafers bought, 5 wafers would be given free. Mrs Bobby paid for 40 wafers. How many free wafers would she have in all?