Question

The difference between a gain 15% and a loss of 9% is Rs 768.what is the cost price of the item under consideration here ?

Answer 1

Answer:

x=3200

Step-by-step explanation:

let price be x

1st equation

x+15%of x= x+15/100×x

or, x+15x/100=100x+15x/100

or,115x/100

2nd equation

x-9%of x=x-9/100×x

or,x-9x/100=100x-9x/100

or,91x/100

evaluating both the equation

115x/100-91x/100=768

24x/100=768

24x=768×100

x=768×100/24

=3200..

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