Toying prices
Algebra
Level
3
A dealer sells a toy for $24 and gains as much percent as the cost price of toy. Find the cost price of the toy.
The answer is 20.
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1 solution
let x be the cost price. As per given we have x+x% of x=24 i.e 100x+x^2=2400 i.e x=-120 or x=20 so x =20