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25 April, 00:58

Jonathan weighs thirty pounds more than three times his son Aidan's weight. Their combined weight is 210 pounds. Write an equation to find the weight of Aiden. How much does Aiden weigh? How much does Jonathan weigh?

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Answers (2)
  1. 25 April, 02:01
    0
    At first, you have to make an equation to represent both of their weights together. A = Aiden's weight. 30+3A+A=210. You want to add like terms so that is comes out to 30+4A=210.

    You want to subtract 30 from both sides; 4A=180

    Divide 4 on both sides; A=45

    Aiden weighs 45 pounds.

    You have to multiply 45 by 3 and add 30; 165

    165+45=210

    Equation: 30 + 3A+A=210; 30+4A=210

    Aiden: 45 pounds

    Jonathan: 165 pounds
  2. 25 April, 03:14
    0
    The equation should be

    j = 30 + 3a

    j + a = 210

    Solving the equation

    j + a = 210

    (30 + 3a) + a = 210

    30 + 4a = 210

    4a = 180

    a = 45

    j = 30 + 3a

    j = 30 + 3 * 45

    j = 30 + 135

    j = 165

    Aiden's weight is 45 pounds, Jonathan's weight is 165 pounds
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