the cost of 12 pens is equal to SP of 25 pens find the loss percent
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Let the c.p of 1 pen be x
then,c.p of 12 pens =12x=S.p of 25 pens
so, s.p of 25pens=12x
C.p of 25 pens =25x
loss=c.p-s.p
=25x-12x
=13x
Therefore loss%=(loss÷c.p)×100
=(13x÷25x)×100
=52%
then,c.p of 12 pens =12x=S.p of 25 pens
so, s.p of 25pens=12x
C.p of 25 pens =25x
loss=c.p-s.p
=25x-12x
=13x
Therefore loss%=(loss÷c.p)×100
=(13x÷25x)×100
=52%
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