Problem K. 724. (March 2022)
K. 724. Julie cut a pizza into identical slices. Then she ate a few slices, but 3 slices remained. With a little calculation, she observed that she had eaten 3/4 of the whole pizza, plus 3/4 of a slice. How many slices were there?
(5 pont)
Deadline expired on April 11, 2022.
Sorry, the solution is available only in Hungarian. Google translation
Megoldás. Az egész pizza 3/4 része plusz egy szelet 3/4 része plusz 3 szelet kiadja az egész pizzát. Tehát 3 egész 3/4 szelet a pizza negyedrésze, vagyis a pizza \(\displaystyle 4\cdot(3\frac34)=12+3=15\) szeletből állt.
Statistics:
97 students sent a solution. 5 points: 67 students. 4 points: 1 student. 3 points: 1 student. 2 points: 4 students. 1 point: 7 students. 0 point: 12 students. Unfair, not evaluated: 3 solutionss. Not shown because of missing birth date or parental permission: 2 solutions.
Problems in Mathematics of KöMaL, March 2022