Activity 5 - changed the correct answer to 13.60 given the instructions say round to 2 decimals and the data produce 13.6.
Activity 6 - changed the explanation to maximum value of 40 consistent with data, plus added explanation for why negative value is possible for min delay.
Activity 5 - changed the correct answer to 13.60 given the instructions say round to 2 decimals and the data produce 13.6.
Activity 6 - changed the explanation to maximum value of 40 consistent with data, plus added explanation for why negative value is possible for min delay.