Answer:
12 boxes per hour.
Step-by-step explanation:
Jake's family packed 22 boxes in 1 5/6 hours (that is, 1 hour plus 5/6 of a hour: 1 + 5/6 = (6+5)/6 = 11/6 hours).
So, to know the average number of boxes packed per hour, we can do a rule of three: If in 11/6 hours they packed 22 boxes, in 1 hours they packed X boxes.
22 boxes -> 11/6 hours
X boxes -> 1 hour
22/X = 11/6
X = 6 * 22 / 11 = 12
So, they packed an average of 12 boxes per hour.
