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March 27, 2017

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During a sale at the local department store, you buy three sweatshirts and two pairs of sweatpants for $85.50. Later you buy three more sweatshirts and four more pairs of sweatpants for $123.00 What is the sale price of each sweatshirt and each pair of sweatpants?

  • math - ,

    let x = shirts and y = pants

    3x + 4y = 123

    3x + 2y = 85.5

    Subtract second equation from first.

    2y = 37.5

    Can you carry on from there?

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