Todd swam three trials of the 50-meter freestyle. His time was 32 15 seconds for the first trial, 31.67 seconds for the second trial, and 30.55 seconds for the third trial.
Part A
What is Todd's combined time for all three trials? Enter your answer in the box
seconds

Part B
How much faster was Todd's second trial than his first trial? Enter your answer in the box
second(s)

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?