Question

if the cost price of 12 candles is equal to the selling price of 15 candles. Find the lost percent?

Answer 1

let sp of each candle be x.
sp of 12 candles=12x
cp of 12 candles=15x
loss=15x-12x
=3x
loss%=3x/15x×100
=20%
Hence,The loss percentage is 20% .

Answer 2

12\15*100
79.92 is

I hope this will help