A patient cuts 100 milligrams scored tablets to take his 50 milligrams prescribed daily dose. A prescription for thirty 100 milligrams tablets cost $45 and a prescription for thirty 50 milligrams cost $40. The patient asked the pharmacist to weigh an uncut tablet was found to weigh 240miligrams and the cut halves weighed 115mg and 125mg respectively .a)How much money did the patient save on a monthly basis by dosing with half tablets? b)what is the percentage error in weight of the cut tablets compared with exact halves​