the sp of 4 books is the same as the cp of 5 books . find the profit % or the loss%
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Step-by-step explanation:
s.p of 4 books= x = c.p of 5 books
ie.sp of 1 book =x/4
c.p of 1book = x/5
profit = s.p-c.p
=(x/4)-(x/5)=(x/20)
profit % =(profit/c.p)*100
=((x/20)/(x/5))*100
=25%
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