6.5 hours is equal to:
60 mins x 6 + 30 mins = 390 mins
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42.25 / 390 = 13/120
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Now there are 60 minutes in an hour, so what we do is multiply 13/120 by 60 to find out how much you earn per hour...
13/120 x 60 = 6.5
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You earn $6.50 per hour.
