Wang yong owes the bank $ 8 5 0 0 $8500dollar sign, 8500. to repay the debt, he paid a fixed amount back to the bank each month. after 1 2 1212 months, his remaining debt was $ 6 4 6 0 $6460dollar sign, 6460. how much did wang yong pay each month? space $ $dollar sign how long did it take wang yong to pay back his entire debt? space months

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?