Problem K. 468. (September 2015)
K. 468. \(\displaystyle x\) denotes a positive integer such that the fraction \(\displaystyle \frac{30−x}{91}\) can be rationalized. Find all possible values of the fraction, expressed in lowest terms.
(6 pont)
Deadline expired on October 12, 2015.
Statistics:
140 students sent a solution. 6 points: 60 students. 5 points: 31 students. 4 points: 19 students. 3 points: 15 students. 2 points: 9 students. 1 point: 3 students. 0 point: 3 students.
Problems in Mathematics of KöMaL, September 2015