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Question

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 B y=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

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