# In a department store, with only one girl working on the gift-wrapping service, four gifts per hour were wrapped........

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In a department store, with only one girl working on the gift-wrapping service, four gifts per hour were wrapped in the first 15 hours. With help from a colleague for the next 45 hours, the amount of gifts wrapped rose to seven per hour. How many gifts were wrapped each hour in the last 45 hours only?

posted Dec 13, 2016

+1 vote

Eight
first 15 hours=60 gifts
next 45 hours= x gifts
x=420-60=360
average=360/45=8

answer Dec 13, 2016

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