How to calculate # of occurrance days in Report Builder

I am using Digital Metaphors' Report Builder for calculating equipment downtime.  I would like to count the number of days that a particular machine had downtime occurences.  I have the report set up to list the work order, the date of the downtime, the hours, and the reason.  It summarizes by totalling the # of work orders and the # of hours for each machine.  All I need now is to summarize the number of days that had downtime occurences for a particular machine.  I am not a programmer, but I am usually good at following instructions!  Anyone out there that can help me?
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Eddie ShipmanAll-around developerCommented:
Just create a new query and use the data returned from it to populate a DBText.

SELECT       count(distinct downdate)
FROM       downtime
WHERE      machineno = :MachineNo


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pattihillAuthor Commented:
Thanks, Eddie!  Makes sense; I'll give that a shot!
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