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10 December, 01:30

Julia is a math tutor in the academic center. She charges $210 for the first 7hours of tutoring and $20 for each additional gour of tutoring. If she earned $410 tutoring 1 student, how many total hours did she spent tutoring the student?

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  1. 10 December, 02:53
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    To find this, we first have to assign variables:

    Let's use h to represent the number of extended hours:

    20h + 210 = 410

    20h = 200

    h = 10

    Because we know she already tutored for 7 hours for $210, we know that she tutored for 17 hours in total.
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