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Math Help - problem puzzler

  1. #1
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    Exclamation please help urgent

    how can i arrive at the number 679 only using the numbers 50,2,6,5,7,1,(all numbers can only be used once) Thanks if u can help me.
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  2. #2
    hpe
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    Quote Originally Posted by laura
    how can i arrive at the number 679 only using the numbers 50,2,6,5,7,1,(all numbers can only be used once) Thanks if u can help me.
    2 \cdot 50  \cdot 7 - 6 \cdot 5 + 1
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  3. #3
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    Cool wrong answer

    sorry ten off please try again
    Last edited by laura; October 28th 2005 at 08:41 AM. Reason: mispelt
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  4. #4
    hpe
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    Red face

    Quote Originally Posted by laura
    sorry ten off please try again
    Right you are ... use the 6 and the 7, and make a 9 from 50/5 +1 -2
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  5. #5
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    that's cute
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  6. #6
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    Thumbs down

    sorry i mean 6 hundred and seventy nine from 50, 6, 7, 2, 1,3
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  7. #7
    Site Founder MathGuru's Avatar
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    Post here you go

    (2*50*7)-((6+1)*3)
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  8. #8
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    Thumbs up I have done it!!!!!!!!

    i mean 50, 6, 7, 2, 1, 5. the answer is
    50-1=49 49x2=98 6-5=1
    98-1=97 97x7=679
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  9. #9
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    You keep changing the problem

    you are ridiculous.
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