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Thread: Mental Math in Multiple Choice Problem

  1. #1
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    Mental Math in Multiple Choice Problem

    hello all...

    how to easy find & quickly in multiple choice :

    any helps is greatly appreciated..

    zidan
    Attached Thumbnails Attached Thumbnails Mental Math in Multiple Choice Problem-math-problem.png  
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  2. #2
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    Re: Mental Math in Multiple Choice Problem

    The one that takes the largest discount of the most expensive item. Oops, time is up!
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  3. #3
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    Re: Mental Math in Multiple Choice Problem

    all shop is given the same of total discount..how you determine the largest discount?
    i mean by calculation..

    what your answer?
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  4. #4
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    Re: Mental Math in Multiple Choice Problem

    Quote Originally Posted by zidan3311 View Post
    all shop is given the same of total discount..how you determine the largest discount?
    i mean by calculation..

    what your answer?
    Now that the time limit seems to be up let's step back and take a look at this. How do you determine what the cost of the items are? Please show us whatever work you've been able to do.

    -Dan
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  5. #5
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    Re: Mental Math in Multiple Choice Problem

    No need for calculations:
    compare a to d: clearly d
    compare b to c: clearly c
    compare c to d: clearly d ...and d gets the business!
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  6. #6
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    Re: Mental Math in Multiple Choice Problem

    HI DenisB, how to compare it? i mean in shop a total = 35%, shop b=35%, shop c=35%, shop d=35%
    would you show me how to compare it?
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