Question

if the cost price of 12 pencils is equal to the selling price of 15 pencils, then the loss% is ​

Answer 1

Answer:

Cp of 1 pencil be x

cp of 12 pencil=12x

sp of 15 pencil=12x

sp of 1 pencil=12x/15=4x/5

loss=x - 4x/5= 5x-4x/5=x/5

loss %= x÷5/x ×100=20%

Step-by-step explanation:

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