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7 September, 14:14

Mr. Lund runs a sporting goods store. He sells a rod and reel in a case for $162. To determine the selling price, he added $10 for the case to the cost of the rod and reel. Then he doubled the total for his markup. Finally, he added a $12 sales tax. How much did the rod and reel cost Mr. Lund?

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  1. 7 September, 14:25
    0
    162+10=172

    172*2=344

    344+12=356

    your answer is 356
  2. 7 September, 14:29
    0
    So a few things

    Mark up = cost * 2

    Start sale price - sales tax

    (Cost + markup) = above's answer

    So ...

    $162 - 12 = 150

    Cost = X

    X + 2 (x+10) = 150

    3x + 20 = 150

    3x = 130

    X = 43.34

    Tricky part is that "Mark Up" means espérate from cost so that may throw you off. Thus why it's (x + 2 (x+10)) instead of something else. Goodluck.
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