Problem K. 471. (October 2015)
K. 471. Barbara has one 5-forint coin (HUF, Hungarian currency), one 10-forint coin, one 20-forint coin, three 50-forint coins and three 100-forint coins in her purse. How many different amounts can she pay exactly (that is, without getting back any change)?
(6 pont)
Deadline expired on November 10, 2015.
Statistics:
137 students sent a solution. 6 points: 68 students. 5 points: 19 students. 4 points: 8 students. 3 points: 12 students. 2 points: 5 students. 1 point: 9 students. 0 point: 12 students. Unfair, not evaluated: 4 solutionss.
Problems in Mathematics of KöMaL, October 2015