whant your help...
hey guys 12 th one
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let sp =100
then cp= 100-100×30%
=100-30=70
profit= 100-70=30
%=30×100/70=300/7%
then cp= 100-100×30%
=100-30=70
profit= 100-70=30
%=30×100/70=300/7%
princess108:
i miss this account very much
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