algebra 1

Mrs. Hernandez owns a computer training business. She charges a lab fee plus an hourly fee to train office workers on various software programs. It costs $265.00 to attend a 6-hour course and $345.00 for an 8-hour course. Which equation relates x, the number of hours in the course, and y, the cost?

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  1. y=ax+b

    8a+b = 345
    6a+b = 265
    2a = 80
    a=40
    b=25

    y = 40x+25

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