Can someone please help me with this??? A presidential telephone poll stated that the Republican candidate was winning with 51% of the vote. It also stated that there was a 2% margin of error. Determine the upper and lower values of the possible percentages using an absolute value equation.

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?