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Math 117

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A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 10 more of the
twenties. The total value of the money is $850. Find the number of five-dollar bills that the teller
has?

  • Math 117 - ,

    N*20 + (N-10)10=850

    check that.

  • Math 117 - ,

    Thanks that was all that I needed now let me work on my problem and tell if I got the correct answer.

    N*20+(N-10)10=850
    20n+20n-200+10=850
    40n-190=850
    n=26

  • Math 117 - ,

    That works out correctly.

    26 * $5 = #130
    36 * $20 = $720

    130 + 720 = 850

  • Number and algebra 25 - ,

    ????????????

  • Math 117 - ,

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