Question:

Marcia has $84 less than three times as much as Sue. Together they have $132. How much money does Marcia have?

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Marcia has $84 less than three times as much as Sue. Together they have $132. How much money does Marcia have?

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  1. i love how the fact that there are dollar signs in this algebra question got it classified as economics.


  2. I don't know if you're asking how to solve it or the answer. Marcia has $78.

  3. sue has $54, marcia has $78

  4. M-Marcia

    S-Sue

    3S-84=M

    M+S=132

    M=132-S

    3S-84=132-S

    4S=132+84=226

    S=216/4=54

    M=132-54=78

    Answ: Marcia has $78

  5. S+M=132

    3S-84=M

    S+3S-84=132

    4S=216

    S=54

    M=78

    Marcia has $78

  6. m= 3x-84 3*(54)-84 162-84 78

    s= x 54 54

    132 132 132

    x+3x-84

    132= 4x-84

    +84 +84

    216= 4x

    /4 /4

    54= x

    Marcia has $78.00

  7. s = money sue has

    m = 3s - $84

    s + m = $132

    s + (3s-$84) = $132

    4s - $84 = $132

    4s = $132 + $84

    4s = $216

    s = $54

    m = 3($54) - $84 = $162 - $84 = $78

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