Jake's family is moving to a new home. they packed 22 boxes in 1 5/6 hours. what is the average number of boxes they packed per hour?
You are given 'boxes' and 'hours' and you want boxes/hour so just divide them
22 boxes/(1 5/6 hrs) = ? Boxes/hr
22/ (11/6) = 22 x 6/11 = 132/11 = 12 boxes/hr