Hi all,
I've created a matrix table question where users input the time a store opens and closes (below)
I'd like to be able to show them in a question underneath "you indicated that you are open for X hours a week, how many of these are staffed?"
What is the best way of being able to total the open hours? I'm assuming js of somekind but not sure where to start
many thanks in advance! 
Solved
Totalling hours and minutes
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