- 07/05/2019 at 8:41 pm #1355943EduGorillaKeymasterSelect Question Language :
A worker is hired for 7 days on the condition that he has to come to work for at least 5 days (it doesn’t matter whether he works for full-day or half-day). He will be given one gold coin for full-day work, one silver coin for half-day work and no coin for being absent. The coins given on different days will have the dates imprinted on them. How many different combinations of gold and silver coins can he accumulate?
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