The answer is A, because 43 of the flights were from UA and were on time, this is out of a whole of 87 flights.
Let x represent the worth of the professional basketball player's autograph a year ago. Since his autograph's worth increased by 40% now, $364 is 1.40x.
364 = 1.40x
Solving for x gives x = 260.
Thus, the autograph of the basketball player was worth only $260 last year.
I think the answer to this question is 18
