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Vinoth purchases 23 dresses for \(₹\)166 and David purchases 7 dresses for \(₹\)253. Calculate who bought the dress costlier and also find out how much amount they both spent on buying one dress.
 
 
 
Vinoth purchases one dress for an amount of \(₹\).
 
David purchases one dress for an amount of \(₹\).
 
bought the dress Costlier.
[Note: Submit the answer as a whole number].