Question

The cost price of 12 candels is equal to the selling price of 15 candels find the lost percent ?

Answer 1

Answer:

if the price of candles is x

and the selling price of candles is y

12x=15y

y/x=12/15

y/x=0.8

y/x in percentage= 0.8×100%=80%

the lost percentage=(100-80)%=20%

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