David has $2400.He spends the money to buy two jeans at $375 each and some shirts at $270 each.Overall if David spends more on buying shirts than on buying jeans,write down the possible number of shirts that he buys.
Ans:3,4,5,6
條不等式應該點列?
Thx~
F.5 Inequalities 急!!!
2008-12-30 6:05 am
回答 (1)
2008-12-30 6:57 am
✔ 最佳答案
Let the no. of shirts he buys be x, then:( 375 )( 2 ) + 270x smaller than or equal to 2400
x smaller than or equal to 6.1
270x greater than 2 ( 375 )
x greater than 2.8
Hence 2.8 smaller than x smaller than or equal to 6.1, which gives the possible number of shirts as 3,4,5 and 6.
參考: My Maths Knowledge
收錄日期: 2021-04-13 18:31:27
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