by selling a bed sheet for rs 640a shopkeeper earns a profit of 28/ how much did it cost the shopkeeper
aqsaakhan2:
640-28=612
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the answer is 640 -28 = 612
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let the cp be x
as it is a gain sp-cp=profit
so
640-x=28
640-28=x
x=612
therefore it cost 612 to the shopkeeper
as it is a gain sp-cp=profit
so
640-x=28
640-28=x
x=612
therefore it cost 612 to the shopkeeper
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