If the cost of an item is rupees x and there is a profit of (x+10)% and the selling price is 2x-20 find x
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cost of an item is = x
it's selling price = 2x- 20
and it profit = x+10% = x+ 10÷100
profit = selling price -cost price
2x-20 - x = x+10÷100
100(2x-20-x)=x+10
200x-200-200x= x+10
200= x+10
x=190
it's selling price = 2x- 20
and it profit = x+10% = x+ 10÷100
profit = selling price -cost price
2x-20 - x = x+10÷100
100(2x-20-x)=x+10
200x-200-200x= x+10
200= x+10
x=190
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