tom took a 30 question multiple choice test. he got 5 pts for correct answers and lost 1 pt. for incorrect ones. he scored a total of 120 points. how many correct ones did he get...
tom took a 30 question multiple choice test. he got 5 pts for correct answers and lost 1 pt. for incorrect ones. he scored a total of 120 points. how many correct ones did he get...