Final answer:
The statement is false because Robert's unit rate of expeditions per hour is 1.25, not 10 as implied by the original statement.
Step-by-step explanation:
The question is asking if the statement is true or false: Robert can complete 10 expeditions in 8 hours, which represents the unit rate for the number of expeditions he completes per hour. To find the unit rate, you divide the total number of expeditions by the total number of hours. So, the unit rate is 10 expeditions / 8 hours = 1.25 expeditions per hour. The statement is false, as the correct unit rate is not 10, but 1.25 expeditions per hour. For a statement to represent a unit rate, it must express the amount of one variable (expeditions) per one unit of another variable (hour)