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