The cost of 12 candles is equal to the sp of 15 candles.find the loss percent
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Let the cost of 12 candles be x
Cost of 1 candle = x/12
So, sp of 15 candles is also = x
Sp of 1 candle = x/15
Loss = x/12 - x/15
= ( 5x - 4x)/60
=x/60
Loss %=loss/cp x 100 %
=x/60 ÷ x/12 x 100%
=x/60 x 12/X x 100%
=20%
Cost of 1 candle = x/12
So, sp of 15 candles is also = x
Sp of 1 candle = x/15
Loss = x/12 - x/15
= ( 5x - 4x)/60
=x/60
Loss %=loss/cp x 100 %
=x/60 ÷ x/12 x 100%
=x/60 x 12/X x 100%
=20%
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