algebra

Plumber chargers $60 an hour. Plumber B chargers $40 to visit your home plus $55 for each hour. for hop many hours will the total cost for each plumber be the same? how much will that cost be?

Define your variables:
Write a system of equations:
solve the system of equation using either subitution or elimination

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  1. I assume the first is plumber A
    Cost = 60t , where t is the number of hours

    plumber B:
    cost = 55t + 40

    when are the costs the same? When
    60t = 55t+40

    solve and you got the value of t
    plug it back into one of the equations to get the cost

    (no system of equations needed here)

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