1.

The cost of 8 pencils is equal to the selling price of 7 pencils. Find the gain percent.TT11​

Answer»

EXPLANATION:

LET the the cost price of one pencil be x.

and selling price be y

the cost price of 8 pencil equals to 8X.

and is a selling price of 7 pencils is 7Y

According to the question :-

Cost price of 8 pencil equal to the selling price of 7 pencil.

=> 8x = 7y


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