Jack's pet dog has been prescribed 40 mg of a medicine per day. each pill of the medicine has 12 mg of the medicine. jack has to give his dog a total of 20 pills. if jack gave his dog medicine for x days, use the expression below to interpret the situation. : 12 20 − 40x part
a.what does 240 represent? part
b.what does the 40x represent? part
c.what does the entire expression represent?