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1 September, 20:01

Mrs. Lin is planning her daughters birthday party. At parties r us the fee is $80 plus $10 per child. At birthday palace, the fee is $150 plus $5 per child. Write and solve an equation to determine how many children must be invited for the costs to be equal?

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Answers (2)
  1. 1 September, 21:57
    0
    The answer is 14 kids:

    80 + 10x = 150 + 5x

    10x = 70 + 5x

    x = 14

    Check:

    80 + 10 (14) = 220

    150 + 5 (14) = 220
  2. 1 September, 23:08
    0
    10x+80=5x+150 the answer is 14 children
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