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Question Number 102800 by bramlex last updated on 11/Jul/20
Thereare14boysand10girlsinaclassroom.Theteacherwantstoformateamof5students.Theteammusthavealeasttwoboysandtwogirls.Findthenumberofwaystheteamcanbechosen.
Answered by bemath last updated on 11/Jul/20
case(1)3boys&2girls⇒C314×C210=14.13.123.2.1×10.92.1=13680(2)2boys&3girls⇒C214×C310=14.132.1×10.9.83.2.1=10920totally=13680+10920=24600
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