Answer:
Answer option C comes the closest to the actual time of 81.72 minutes.
Explanation:
From the data we can calculate an averare time it takes to wash a car. Divide the number of minutes by the number of cars for the four data points, then find the average time per car. The average time per car is 4.301 minutes. Multiply that times the number of cars (19 cars):
(19 cars)*(4.301 minutes/car) = 81.72 minutes.
Answer option C comes the closest: 82 minutes.