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16 October, 13:30

1. Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. For how many hours is the total fee charged by the companies the same?

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  1. 16 October, 14:04
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    X represents the amount of hours

    peppy pets 15 + 3x

    happy hounds 21 + x

    15 + 3x = 21 + x

    subtract x from both sides

    15 + 2x = 21

    subtract 15 from both sides

    2x = 6

    divide each side by 2

    x = 3 hours
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Home » Mathematics » 1. Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. For how many hours is the total fee charged by the companies the same?
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