Question

By selling 40m of pipe, a shopkeeper loses an amount equal to the selling price of 4m of pipe. Find loss or gain percentage.
$profit\% = ( \frac{profit}{cp} )\%$
$loss\% = ( \frac{loss}{cp} )\%$
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Answer 1

Step-by-step explanation:

its very easy,just see in the picture,and please mark as brainliest if you want,BTW it's my first answer..