Question
A book shop sold 1 stapler for $5. For every 4 staplers sold, an additional stapler would be given free. If Mrs Ng spent $40 on the staplers, how many staplers did she receive in total?
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A book shop sold 1 stapler for $5. For every 4 staplers sold, an additional stapler would be given free. If Mrs Ng spent $40 on the staplers, how many staplers did she receive in total?