A 40-question test has 108 possible points. There are m 4-point questions and n 2-point questions. How many of each type of question is on the test?
A. m = 19, n = 21
B. m = 26, n = 14
C. m = 14, n = 26
D. m = 21, n = 19
Which letter is it? please help ASAP homework is due soon