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13 May, 22:09

Bill is purchasing according lessons. There's $20 materials fee and lesson cost $15. Write an equation for the situation and then determine how many lessons built if his total was $125.

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  1. 13 May, 22:16
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    X = number of lessons, y = total cost

    y = 15x + 20 < = = ur equation

    when total bill was 125 ... y = 125

    125 = 15x + 20

    125 - 20 = 15x

    105 = 15x

    105/15 = x

    7 = x < = = = if Bill took 7 lessons, it would cost 125 <==
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