Question

cost price of 25 articles equals to selling price of 35 articles find loss or gain percent​

Answer 1

Answer:

Step-by-step explanation:

here is the formula for that,

let,

cost price, m =25 ;

selling price, n =20

then ,

% gain = { (m - n) / n } × 100

= {(25-20) / 20 } × 100

= {5/20} × 100

= 25 %

the same formula is valid for ℅ loss also the value comes is negative.

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Answer 2

Answer:

Step-by-step explanation: