Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

[Q]: Problem: in 5 football games thus far this season, barry has run for 98, 107, 85, 89, and 91 yards. at a minimum, how many yards m will he need to gain this sunday if he wants to keep his season average above 100 yards ?
Options: a. 101, b. 116, c. m = 130, d. m = 131, e. m = 141
[A]: d


[Q]: Problem: barbata invests $ 2200 in the national bank at 5 %. how much additional money must she invest at 8 % so that the total annual income will be equal to 6 % of her entire investment ?
Options: a. 1100, b. 3000, c. 1000, d. 3600, e. 2400
[A]: a


[Q]: Problem: the total cost of a vacation was divided among 3 people. if the total cost of the vacation had been divided equally among 4 people, the cost per person would have been $ 60 less. what was the total cost cost of the vacation ?
Options: a. $ 200, b. $ 300, c. $ 400, d. $ 720, e. $ 600
[A]:
d