A t-shirt is manufactured in $x and sold to a wholesaler at 20% profit. The wholesaler sells the same t-shirt to a retailer at 20% profit which is the selling price of “$y”. Find the relation between x and y .
A
y=1.4x
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B
y=1.44x
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C
y=1.5x
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D
y=0.4x
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Solution
The correct option is By=1.44x Let "z" be the purcehase price of the t-shirt for the wholesaler. z=x+20100x=x+0.2x=1.2x
The selling price of the t-shirt for the wholesaler is "y" y=z+20100z=z+0.2z=1.2z=1.2×1.2x y=1.44x