dragon201401 2017-07-02 20:30
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在PHP中计算这些多个百分比?

Say I have 5 users. Each user will receive their payment based on their individual percentage.

For eg.

User 1: 5%
User 2: 10%
User 3: 15%
User 4: 15%
User 5: 5%

Now say I have a total of $100. I want to divide the $100 among the 5 users. But the users with higher % will receive a higher amount than the the ones with lower %.

How would I calculate this?

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  • doudianhuo1129 2017-07-02 20:37
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    I would treat them as "unknowns", as you want to split the whole $100 among all, I would go that way:

    User 1: 5% (5X)
    User 2: 10% (10X)
    User 3: 15% (15X)
    User 4: 15% (15X)
    User 5: 5% (5X)
    

    Simple equation:

    5X + 10X + 15X + 15X + 5X = 100

    50X = 100

    X = 2

    User 1 gets 5*2 = $10 
    User 2 gets 10*2 = $20 
    User 3 gets 15*2 = $30 
    User 4 gets 15*2 = $30 
    User 5 gets 5*2 = $10 
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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