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sashaice [31]
3 years ago
7

Tania believes that if she increases the price of an item (mark up) by 10% and then decrease it (mark down) by 10%,she will have

the original tag price again. Her teacher tells her that her computation is incorrect. Why is tania wrong? Justify your answer.
Mathematics
1 answer:
dezoksy [38]3 years ago
5 0
She is incorrect as 10% of the higher marked up price is larger than 10% of the original price.

For example: If you mark up $100 by 10% you get $110.

If you mark down $110 by 10%, you will get $99, as 10% of $110 ($11) is larger than 10% of $100 ($10).
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