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student12858

17a,17b

If an item is sold for$67.5,the profit per cent is 35%.Find the selling prices.
a).when the profit per cent is reduced to 10%.
b).when the item now suffers a loss of 15%.

解答 0

  • eric
    2019-11-24 16:21:07
    a. 67.5/1.35 × 1.1
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