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Biology, 08.10.2020 18:01 AmityHeart

the cost price if a box and a pen is rs. 80. The box is sold at 10%profit and the pen is sold at 10%loss. If the selling price of the box is rs. 28 more than that of the pen. Calculate the profit or losa percent in the whole

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the cost price if a box and a pen is rs. 80. The box is sold at 10%profit and the pen is sold at 10%...
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