Re:Math Problems for children from 5 to 15 (2004) [pdf]
by colinmhayes on Monday July 19, 2021 @03:12PM
(#27886236)
The problem says they combine their money which implies Masha has more than 0 kopeks though.
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Re:Math Problems for children from 5 to 15 (2004) [pdf]
by zarzavat on Monday July 19, 2021 @10:59PM
(#27889639)
Yes this is the flaw in the question. They should have said that the sum of their money is insufficient. Combine implies a physical action which can't happen if one of the parties has nothing.