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15 May, 19:54

When working overtime, an auto mechanic gets paid 1.5 times the normal hourly wage. Overtime is the amount of time worked beyond 40 hours a week. The auto mechanic's normal hourly wage is $21.00. Last week, the auto mechanic worked 46 hours.

Part A. Write an expression to represent the amount of money earned last week.

Part B. evaluate the expression you wrote in part A. (the auto mechanic earned last week.)

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  1. 15 May, 20:05
    0
    So

    x=hours

    y=pay

    use a piecewise function maybe

    for x≤40, use y=21x

    for x>40, use 840+1.5 (21 (x-40))

    k, sso 46>40 so

    840+1.5 (21 (46-40))

    840+1.5 (21 (6))

    840+1.5 (126)

    840+189

    1029

    A. 840+1.5 (21 (x-40))

    B. $1029
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