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1 March, 16:01

A store sells white scarves and red scarves. A white scarf is $3 and a red scarf is $5. One day the store sold 12 scarves for $50. What is the total number of scarves sold on that day?

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  1. 1 March, 18:35
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    7 red scarves and 5 white scarves were sold

    Step-by-step explanation:

    set up 2 equations where x represents white scarves and y represents red scarves

    equation 1: 3x + 5y = 50

    equation 2: x + y = 12

    change equation 2 to x = 12 - y

    substitute x into equation 1: 3 (12 - y) + 5y = 50

    distribute: 36 - 3y + 5y = 50

    2y = 14

    y = 7

    substitute y back into one of the original equations

    x + (7) = 12

    subtract 7 from both sides to find x

    x = 5
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