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16 December, 03:47

Pam says she will charge 125 plus 15 an hour to paint a house. Michelle will charge $50 plus $20 per hour to paint a house. After how many hours will their cost be the same

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  1. 16 December, 07:41
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    Let us assume the number of hours after which the cost of Pam and Michelle will be same = x

    Now let us concentrate on the information's already given in the problem.

    Fixed charge taken by Pam = $125

    Charge per hour taken by Pam = $15

    Fixed charge taken by Michelle = $50

    Charge per hour taken by Michelle = $20

    Then

    125 + 15x = 50 + 20x

    20x - 15x = 125 - 50

    5x = 75

    x = 75/5

    = 15

    So after 15 hours the charge taken by Pam and Michelle will be the same. I hope the procedure for doing this type of problem is clear to you.
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