math 一問

👨🏻‍🏫 學術台數學

2008-12-29 1:10 am

3 times of a number is greater than its half by 25. Find the number.

回答 (2)

2008-12-29 1:39 am

✔ 最佳答案

Let the number is x
3x=(x/2)+25
6x=x+50
5x=50
x=10
The number is 10

2008-12-28 17:39:44 補充：
上面個位解錯題

👍 0 👎 0

2008-12-29 1:26 am

Let the number be x

3x > 25/2
x > 25/2/3
x > 4.17

So,the number is greater than4.17

參考: me

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收錄日期: 2021-04-25 16:58:46
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