by selling a bed sheets for rupees 640 A shopkeeper earns a profit of 28 percent how much did it cost the shopkeeper
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SP=640
CP=x
gain=28%
SP={CP(100+GAIN)}/100
640={x(100+28)}/100
640=128x/100
x=(640*100)/128
x=500
So, CP=500
CP=x
gain=28%
SP={CP(100+GAIN)}/100
640={x(100+28)}/100
640=128x/100
x=(640*100)/128
x=500
So, CP=500
jiya53:
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