Suppose a store has an item on sale for 25% off the original amount. By what percent does the store have to increase the price of the items in order to sell the item for the original amount? Explain.

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