Math F.1數學題!!!緊急!!!!

2009-10-29 2:46 am
Thmonthly salary of Brcky in June was $20 340.It included a couns of 1/20 of her basic salary and a commissionn of 2/25 of her gasic salary .What was her salary?

請例算式和步驟
更新1:

前面應該係The monthly

更新2:

正確的是 The monthly salary of Brcky in June was $20 340.It included a bonussalary and a commissionn of 2/25 of her basic salary .What was her salary?

更新3:

其實我知道條式係 p+ p/20 + 2/25p = 20 340 但唔識計

更新4:

今年F.1,單元是關於方程式

回答 (2)

2009-10-29 3:55 am
✔ 最佳答案
Let $P be the basic salary
p + p/20 + (2/25)p = 20340
p + 0.05p + 0.08p = 20340
1.13p = 20340
p = 20340 / 1.13
p = 18000
The basic salary was $18,000
2009-10-29 3:12 am
請問couns同gasic點解呢?

2009-10-28 19:40:42 補充:
你F.幾?
我驚用d formula你未學=.=

2009-10-28 19:56:06 補充:
F1=.=再念下先......

2009-10-28 19:58:40 補充:
呢個單元大概講咩架?


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