A race car driver lost 8 seconds off the leader for each of the 3 pit stops the driver made. At each of the next 2 pit stops the driver gained 10 seconds on the leader. Which represents the amount of time the driver is off the leader?

Question

Mercury · Answer

8 seconds lost off the leader, three times ----> add 8 * 3 seconds off the leader
10 seconds gained on the leader, for two pit stops ---> subtract 2 * 10 seconds from the lost time

what's your result, after performing the appropriate calculations?