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8 January, 10:29

Homer Simpson weighs 400 pounds. He is on a diet to lose 5 pounds each week Barney weighs 322 pounds. he is on a diet to lose 3 pounds each week. How long will it take for them to weigh the same? write an equation and solve.

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  1. 8 January, 10:46
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    400 + (n-1) (-5) = 322 + (n-1) (-3)

    -5n + 5 = 322

    -3n + 3 | 405 - 5n

    =325 - 3n

    80=2n

    n=40 n - 1 = 39

    Answer = 39, 39 weeks until they weigh the same
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