Question
A stationery kiosk sold 1 file for $5. For every 2 files sold, an additional file would be given free. If Mrs Seah spent $30 on the files, how many files did she receive in total?
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A stationery kiosk sold 1 file for $5. For every 2 files sold, an additional file would be given free. If Mrs Seah spent $30 on the files, how many files did she receive in total?