Janet scored 200 and 400 points in the first two rounds in a computer game. michael scores 250 points in the first round. he wants to get the same total score as janet. which of these will him find out how many points he needs to catch up?
a) 200 + 400 + 250 = p
b) 400 - 250 = p
c) (200 + 400) - 250 = p
d) 250 - 200 = p