A stick is cut into 8 equal pieces. If each piece were 10cm shorter, we could have cut the original stick into 12 equal pieces. How long is the stick?

Ken leaves work 20 minutes late. he decides to make up time by taking the toll road instead of side streets. he can travel three times faster by taking the toll road. create an equation to represent his total travel time, including wait time, where x is the number of minutes the drive was expected to take