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Problem C. 1315. (November 2015)

C. 1315. In a chocolate factory, chocolate mass is poured into molds to make 100-gram bars. Owing to a malfunction of machinery, one out of 45 bars breaks in the process. A quality control inspector spots these broken bars before they would get wrapped, and returns them to the molten chocolate mass. However, the inspector misses one out of 21 broken bars and lets them go on to the wrapping machine. Out of 10 tonnes of chocolate mass, how many broken bars of chocolate will get to the market?

(5 pont)

Deadline expired on 10 December 2015.


Statistics:

208 students sent a solution.
5 points:109 students.
4 points:33 students.
3 points:2 students.
2 points:2 students.
1 point:51 students.
0 point:9 students.
Unfair, not evaluated:1 solution.
Unfair, not evaluated:1 solution.

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