Question

if cp of 25 chairs is equal to the sp of 30 chairs .find the loss percent

Answer 1

hyy friend here is ur answer
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25*cp = 30*sp
Express the selling price in terms
of cost price:
sp = (25/30)cp
Your loss percentage is the ratio
of the difference in prices to cost
price:
(cp - sp)/cp
(cp - (25/30)cp)/cp
cp(1 - (25/30))/cp
1 - (25/30)
16.7% loss ans.

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Answer 2

let CP for each chair be 100.


therefore CP = 25X100= 2500

therefore SP of 30 chairs = 2500
SP of 1 chair = 2500/30=83(approximated)

therefore loss = 100-83=17%