4.A girl pays $75 for some apples.If the price of each apple is reduced by$0.5,she can buy 5 more apples with the same amount of money.Find the original price of an apple.
5.A man bought a certain number of articles for $300.He sold all of them at $15 for a package of 4.If the total profit he made is the same as the original cost of 25 articles,how many articles did he buy?
quadratic equations (2Q)
2007-09-19 11:46 am
回答 (1)
2007-09-19 5:48 pm
參考: My Maths knowledge
收錄日期: 2021-04-25 21:47:17
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