Answer:
12 hours
Explanation:
If we plug in the rate, 7 mph, and the total distance, 84, into the formula
, you would get that 84 = 7t since the time is unknown. Next, we can divide both sides by 7 to get that t = 84/7, and 84/7 is 12, meaning that it will take Kendra 12 hours for the trip.