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Every week the stores sells j jeans and t T - shirts.

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The stores makes for each T - shirt is 8 dollars.

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The stores makes for t T - shirt is 8t dollars.

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The stores makes for each pair of jeans is 12 dollars.

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The stores makes for j jeans is 12j dollars.

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The total amount of money, the store makes every week is 12j + 8t.\"\"

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The option B is correct answer.