On a popular television quiz show, contestants gain points for getting questions correct, and lose points for getting the answer incorrect. if preston has 1250 points, which series of answers would cause his final score to be 1250 points?
a) one 200 point question correct, two 150 point questions correct, one 500 point question incorrect
b) two 200 point questions correct, two 150 point questions correct, one 500 point question incorrect
c) one 200 point question correct, two 150 point questions correct, and one 450 point question incorrect
d) three 50 point questions correct, two 75 point questions incorrect, and one 50 point question correc