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3 October, 18:22

Justin has $7.50 more than Eva, and Emma has $12 less than Justin. Together, they have a total of 63.00. How much money does each person have?

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  1. 3 October, 18:40
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    Since no value is given to Eva, we'll call her x. Justin, then, is 7.50+x. That leaves Emma, who would be Justin (7.50+x) - 12. If we add them all together we get 63. So our equation is

    x + (7.50+x) + (7.50+x) - 12 = 63

    Combine like terms

    x+x+x + 7.50+7.50-12 = 63

    3x + 3 = 63

    3x = 60

    x = 20

    Since we said Eva is x then Eva has 20 dollars.

    Justin is 7.50 + x so 7.50+20=

    $27.50

    Emma is Justin - 12 so 27.50-12 = $15.50

    Let's check our answer ...

    15.50+27.50+20 = 63

    63=63

    It checks!
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