Question

If the selling price of an article is 4/5 of its cost price, find the loss percent.

Answer 1

Let the Cp be 100
Sp= 100*4/5= 80
Loss = cp-sp
= 20
:. Loss percentage = 20/100 *100 = 20%




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Answer 2

let the cp be x
so, the sp be 4/5x

loss-- cp - sp
x - 4/5x
1/5x
loss percent -- loss/cp * 100
1/5x/x*100
20 petcent